530 likes | 547 Views
For more course tutorials visit<br>www.newtonhelp.com<br><br><br>1<br>To make tests of hypotheses about more than two population means, we use the:<br>t distribution<br>normal distribution<br>chi-square distribution<br>analysis of variance distribution<br> <br> <br>2<br>You randomly select two households and observe whether or not they own a telephone answering machine. Which of the following is a simple event?<br>At most one of them owns a telephone answering machine.<br>At least one of them owns a telephone answering machine.<br>Neither of the two owns a telephone answering machine.<br>Exactly one of them owns a telephone answe<br>
E N D
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Final Exam Guide (New, 2019, 100% Score) For more course tutorials visit www.newtonhelp.com 1 To make tests of hypotheses about more than two population means, we use the: t distribution normal distribution chi-square distribution analysis of variance distribution 2
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 1 Apply Connect Week 1 Exercise For more course tutorials visit www.newtonhelp.com QNT 275 Week 1 Apply Connect Week 1 Exercise Review the glossary in your textbook in preparation for this assignment. Complete the Week 1 Exercise in Connect. Note: You have only 1 attempt available to complete assignments. 1. Define Ratio Variable. A variable having values that are numbers which reflect quantities or measurements.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 1 DQ 1 For more course tutorials visit www.newtonhelp.com What is the importance of statistics in business decision making? Describe a business situation where statistics was used in making a decision.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 1 DQ 2 For more course tutorials visit www.newtonhelp.com Select four variables, other than what your fellow students have already selected, that could be measured by nominal, ordinal, interval, and ratio scale. Classify them by measurement scale and select descriptive statistics that can be used to summarize data. Use the following table when posting your response:
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 1 DQ 3 For more course tutorials visit www.newtonhelp.com How do we define measurement? What are various levels of measurement? How do you select measurement levels when developing a survey or data collection tool? Explain with examples.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 1 Individual Assignment Statistics in Business (2 Papers) For more course tutorials visit www.newtonhelp.com This Tutorial contains 2 Papers Develop a 875-word response that addresses each of the following prompts: Define statistics with citation and reference. Contrast quantitative data and qualitative data. Use two Peer Reviewed references. Evaluate tables and charts used to represent quantitative and qualitative data. Describe the levels of data measurement.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 1 Practice: Connect Knowledge Check For more course tutorials visit www.newtonhelp.com QNT 275 Week 1 Practice: Connect Knowledge Check Complete the Week 1 Knowledge Check in Connect. Note: You have unlimited attempts available to complete practice assignments. 1. Daily temperature in a local community collected over a 30-day time period is an example of cross-sectional data.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 1 Practice Set For more course tutorials visit www.newtonhelp.com The following table lists the number of deaths by cause as reported by the Centers for Disease Control and Prevention on February 6, 2015: Cause of Death Number of Deaths Heart disease 611,105 Cancer 584,881 Accidents 130,557
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 2 Apply: Connect Week 2 Case For more course tutorials visit www.newtonhelp.com QNT 275 Week 2 Apply: Connect Week 2 Case Part 1 You manage the inventory for a car dealership. Your management would like you to review current inventory on the dealership lot. Review the Week 2 Data Set. Create and calculate the following in Excel®:
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 2 Assignment MiniProject 3 2 For more course tutorials visit www.newtonhelp.com ou are employed as a statistician for a company that makes household products, which are sold by part-time salespersons who work during their spare time. The company has four salespersons employed in a small town. Let us denote these salespersons by A, B, C, and D. The sales records (in dollars) for the past 6 weeks for these four salespersons are shown in the table below.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 2 DQ 1 For more course tutorials visit www.newtonhelp.com Describe a business situation, other than what has already been selected by fellow students or selected from the team assignment, where mean and standard deviation can be used in decision making. Describe how calculation of mean and standard deviation can help in making a decision.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 2 DQ 2 For more course tutorials visit www.newtonhelp.com What are the various methods one can use to identify the shape of data distribution collected for research study? Why it is important to know the shape of distribution? How it can be used in decision making? Provide examples other than those already posted in class.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 2 DQ 3 For more course tutorials visit www.newtonhelp.com Select an article from a news magazine or research journal where data is displayed in a pie or bar chart. Describe the data displayed in the chart and what conclusion you could draw.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 2 Individual Assignment Activity Data Set (Little Town Cafe) For more course tutorials visit www.newtonhelp.com Review the following business scenario: You are the manager in a small town in the lake district of a Midwestern state enjoys a robust tourist season during the summer months, but has only a small population of residents during the off season. The Littletown Café adjusts the levels of staff according to the time of year, to coincide with the number of guests, with the tourist season typically starting around Memorial Day each year.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 2 Individual Assignment Business Problem For more course tutorials visit www.newtonhelp.com I2 (Week 2) Individual Assignment: Business Problem: Prepare a paper examining a business problem confronting your organization or an organization you know of that you feel could be addressed through the application of the business research process. Describe the problem. Then present the research purpose and one research question addressing an aspect of this problem. The question must contain the variable you will measure. Discuss the measured variable. Use the business research problem sample I2 as a guide. This paper should be between 300-600 words. Post to the individual assignment forum. Title the document file "Business Statistics Research Problem I2". Materials
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 2 Mini- Project 3-3 (Movie Data Set) For more course tutorials visit www.newtonhelp.com Purpose of Assignment This assignment provided students with practice in understanding the relationship of averages and standard deviation to make an informed business decision about the gross income performance of each movie genre. Students will learn to implement the use of these statistical measures for better business decision-making. Resources: Week 2 Videos; Week 2 Readings; Statistics Lab
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 2 Practice: Analysis ToolPak Installation For more course tutorials visit www.newtonhelp.com QNT 275 Week 2 Practice: Analysis ToolPak Installation Complete the steps indicated in the “Installing the Analysis ToolPak” video to prepare for this week’s assignment. Take a screenshot of the Data tab showing the installed toolpak. Click on the Assignment Files tab to submit your screenshot.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 2 Practice: Connect Knowledge Check For more course tutorials visit www.newtonhelp.com QNT 275 Week 2 Practice: Connect Knowledge Check Complete the Week 2 Knowledge Check in Connect. Note: You have unlimited attempts available to complete practice assignments. 1. In a statistics class, 10 scores were randomly selected with the following results: 74, 73, 77, 77, 71, 68, 65, 77, 67, 66. What is the IQR?
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 2 Practice Set For more course tutorials visit www.newtonhelp.com List the simple events for each of the following statistical experiments in a sample space. One roll of a die. Note: Separate your response with a comma (,). For example 22, 23, 24 Three tosses of a coin. Note: Use this notation for your answer. heads = H. tails = T. For example HT, TH One toss of a coin and one roll of a die.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 2 Quiz For more course tutorials visit www.newtonhelp.com QNT 275 Week 2 Quiz 1. In order to summarize qualitative data, a useful tool is a __________. 2. A stem-and-leaf diagram is constructed by separating each value of a data set into two parts. What are these parts? 3. A recent survey of 200 small firms (annual revenue less than $10 million) asked whether an increase in the minimum wage would cause the firm to decrease capital spending. Possible responses to the survey question were:
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 3 Apply: Connect Week 3 Case For more course tutorials visit www.newtonhelp.com QNT 275 Week 3 Apply: Connect Week 3 Case Part 1 Three hundred consumers between 21 and 49 years old were randomly selected. After sampling a new wine cooler, each was asked to rate the appeal of the phrase: “Not sweet like wine coolers, not filling like beer, and more refreshing than wine or mixed drinks” as it relates to the new wine cooler. The rating was made on a scale from 1 to 5, with 5 representing “extremely appealing” and with 1 representing “not at all appealing”.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 3 CLO Business Decision Making Project Part 1 (2 Papers) For more course tutorials visit www.newtonhelp.com CLO Business Decision-Making Project Part 1 Identify a business problem or opportunity at a company where you work or with which you're familiar. This will be a business problem that you use for the individual assignments in Weeks 3-5. It should be a problem/opportunity for which gathering and analyzing some type of data would help you understand the problem/opportunity better. Identify a research variable within the problem/opportunity that could be measured with some type of data collection.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 3 DQ 1 For more course tutorials visit www.newtonhelp.com An oil change shop advertised to change oil within 15 minutes. Based on the data collected on a typical day, what is the probability that oil change will take 15 minutes or less time? Based on the data, do you think the business claim is valid? Explain why or why not.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 3 DQ 2 For more course tutorials visit www.newtonhelp.com What are some conditions under which business decisions are made using subjective probability concepts? Provide at least two examples of subjective probability.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 3 DQ 3 For more course tutorials visit www.newtonhelp.com What are the characteristics of standard normal distribution? The HR department of an organization collects data on employees' age, salary, level of education, gender, and ethnicity. Which data do you think is more likely to follow normal distribution? Explain why.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 3 Individual Assignment Descriptive Statistics (Score 85%) For more course tutorials visit www.newtonhelp.com Individual Assignment: Descriptive Statistics: Identify a research problem different from the previous research problems that uses two different sets of the same type of data. Example: Sales from two different months or years. GPA's of men and women. Number of two different shelf items sold (Coke & Pepsi) by month over a year. Home sales prices in different suburbs, cities, counties or states.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 3 Practice: Connect Knowledge Check For more course tutorials visit www.newtonhelp.com QNT 275 Week 3 Practice: Connect Knowledge Check 1. A plant manager knows that the number of boxes of supplies received weekly is normally distributed with a mean of 200 and a standard deviation of 20. What percentage of the time will fewer than 160 boxes of supplies arrive in a week? 2.28% 4.56% 42.07% 57.93% P(x < 160) = P(z < (160 − 200)/20) = P(z < −2) = 0.0228
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 3 Probability Case Study 5.2 For more course tutorials visit www.newtonhelp.com Week 3 Learning Team Collaboration Discussion: Probability Resource: Case Study 5.2 in Chapter 5 of Essentials of Business Statistics Calculate the requested probabilities for items 1-3. Discuss your findings for the probabilities. What was the smoking trend from 1997-2007?
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 3 Probability Case Study 5.2 For more course tutorials visit www.newtonhelp.com Week 3 Learning Team Collaboration Discussion: Probability Resource: Case Study 5.2 in Chapter 5 of Essentials of Business Statistics Calculate the requested probabilities for items 1-3. Discuss your findings for the probabilities. What was the smoking trend from 1997-2007?
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 3 Quiz For more course tutorials visit www.newtonhelp.com QNT 275 Week 3 Quiz Question 1: • You work in marketing for a company that produces work boots. Quality control has sent you a memo detailing the length of time before the boots wear out under heavy use. They find that the boots wear out in an average of 208 days, but the exact amount of time varies, following a normal distribution with a standard deviation of 14 days. For an upcoming ad campaign, you need to know the percent of the pairs that last longer than six months-that is, 180 days. Use the empirical rule to approximate this percent.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 4 Apply: Connect Week 4 Case For more course tutorials visit www.newtonhelp.com Customized Work for QNT 275 https://uopcourses.com/sd_product/qnt-275-weekly-practice-connect-knowledge-check-apply-connect-weekly-case/ Part 1 You manage Human Relations for your company. One of your sales managers has retired, leaving an opening. You are considering two different employees for the position. Both are highly qualified so you have decided to evaluate their sales performance for the past year.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 4 CLO Business Decision Making Project Part 2 (2 Papers) For more course tutorials visit www.newtonhelp.com This Tutorial contains 2 Papers CLO Business Decision Making Project, Part 2 Use the same business problem/opportunity and research variable you wrote about in Week 3. Remember: do not actually collect any data; think hypothetically. Develop a 1,050-word report in which you:
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 4 DQ 1 For more course tutorials visit www.newtonhelp.com What is the difference between an independent and a dependent variable? Does a regression model imply causation? Explain why or why not.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 4 DQ 2 For more course tutorials visit www.newtonhelp.com Does correlation equal causation? Does the strength of correlation depend on the direction? What is the meaning of a zero correlation? Explain your answers.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 4 DQ 3 For more course tutorials visit www.newtonhelp.com What are the requirements that must be met for a regression analysis? What happens if these requirements are violated? Why is analysis of residuals important?
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 4 Individual Assignment t-test I4 For more course tutorials visit www.newtonhelp.com Individual Assignment: t-test I4: Identify a research problem different from the previous research problems that uses two different sets of the same type of data. Any subject may be chosen. Some examples: Sales from two different months or years. GPA's of men and women. Number of two different shelf items sold (Coke & Pepsi) by month over a year. Home sales prices in different suburbs, cities, counties or states.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 4 Linear Regression Case 12 1 For more course tutorials visit www.newtonhelp.com Resource: Case Study 12.1 in Chapter 12 of Essentials of Business Statistics. Click the Sushi Restaurant Data Set link. Calculate the linear regression in item 1 of the case study. Discuss the following with your team: Explain if simple regression or multiple regression is more appropriate for making predictions in this case. Predict what will happen to sales based on unemployment rate and the level of advertising Justify your predictions.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 4 Practice Connect Knowledge Check For more course tutorials visit www.newtonhelp.com Customized Work for QNT 275 https://uopcourses.com/sd_product/qnt-275-weekly-practice-connect-knowledge-check-apply-connect-weekly-case/ Based on a random sample of 25 units of product X, the average weight is 102 lb and the sample standard deviation is 10 lb. We would like to decide if there is enough evidence to establish that the average weight for the population of product X is greater than 100 lb. Therefore, the alternative hypothesis can be written as HA: μ > 100. (Assume the population is normally distributed.)
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 4 Practice Set For more course tutorials visit www.newtonhelp.com Find z for each of the following confidence levels. Round to two decimal places. 90% 95% 96% 97% 98% 99% For a data set obtained from a random sample, n = 81 and x = 48.25. It is known that σ = 4.8.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 4 Quiz For more course tutorials visit www.newtonhelp.com QNT 275 Week 4 Quiz Question 1: • Serial correlation is typically observed in: Question 2: • Another name for an explanatory variable is the ___. Question 3: • Which of the following variables is not qualitative? Question 4: • Consider the following simple linear regression model: y=βo+β1^(x+ε) The response variable is:
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 4 Quiz For more course tutorials visit www.newtonhelp.com QNT 275 Week 4 Quiz Question 1: • Serial correlation is typically observed in: Question 2: • Another name for an explanatory variable is the ___. Question 3: • Which of the following variables is not qualitative? Question 4: • Consider the following simple linear regression model: y=βo+β1^(x+ε) The response variable is:
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 5 Apply Connect Week 5 Case For more course tutorials visit www.newtonhelp.com Customized Work for QNT 275 https://uopcourses.com/sd_product/qnt-275-weekly-practice-connect-knowledge-check-apply-connect-weekly-case/ QNT 275 Week 5 Apply Connect Week 5 Case You are the manager of a retail store. You want to investigate how metrics can improve the way you manage your business. Use the Week 5 Data Set to create and calculate the following in Excel®:
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 5 Assignment Business Problem or Opportunity Presentation For more course tutorials visit www.newtonhelp.com Prepare an 11- to 15-slide Microsoft® PowerPoint® presentation for the senior management team based on the business problem or opportunity you described in Weeks 3 and 5. Include on the slides what you would want the audience to see (include appropriate visual aids/layout). In the Speaker Notes section, include what you would say as you present each slide. If any source material is quoted or paraphrased in the presentation, use APA citations and references.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 5 CLO Business Decision Making Project Part 3 (2 PPT) For more course tutorials visit www.newtonhelp.com This Tutorial contains 2 Presentations CLO Business Decision Making Project, Part 3 Prepare an 11- to 15-slide Microsoft® PowerPoint® presentation for the senior management team based on the business problem or opportunity you described in Weeks 3-4. Include on the slides what you'd want the audience to see (include appropriate visual aids/layout) and include in the Speaker's Notes section what you'd say as you present each slide. If any source material is quoted or paraphrased in the presentation, use APA citations and references.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 5 DQ 2 For more course tutorials visit www.newtonhelp.com How do you know you have validated a research study based on data gathered from primary or secondary sources? Have you been involved with any product test-marketing project? Explain. How did the resulting statistics affect the product's marketing strategy? How can organizations skew the statistical outcomes of their business research?
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 5 DQ 2 For more course tutorials visit www.newtonhelp.com How do you know you have validated a research study based on data gathered from primary or secondary sources? Have you been involved with any product test-marketing project? Explain. How did the resulting statistics affect the product's marketing strategy? How can organizations skew the statistical outcomes of their business research?
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 5 DQ 3 For more course tutorials visit www.newtonhelp.com In what way has the learning from this course helped you to effectively test hypotheses, draw conclusions, and provide recommendations to management? Consider what you have achieved in your research study conducted for this course.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 5 Individual Assignment Final z-test (Set 2) For more course tutorials visit www.newtonhelp.com Individual Assignment Final: z-test: Identify a research problem different from the previous research problems that uses two different sets of the same type of data. Example: Sales from two different months or years. GPA's of men and women. Number of two different shelf items sold (Coke & Pepsi) by month over a year. Home sales prices in different suburbs, cities counties or states.
QNT 275 Motivated Minds /newtonhelp.com QNT 275 Week 5 Individual Assignment Final z-test For more course tutorials visit www.newtonhelp.com Individual Assignment Final: z-test: Identify a research problem different from the previous research problems that uses two different sets of the same type of data. Example: Sales from two different months or years. GPA's of men and women. Number of two different shelf items sold (Coke & Pepsi) by month over a year. Home sales prices in different suburbs, cities counties or states.