QNT 351 Educational Tutor/ indigohelp

1. QNT 351 Educational Tutor/ indigohelp

2. QNT 351 Educational Tutor/ indigohelp QNT 351 ducational Tutor indigohelp QNT 351 Final Exam Guide 1) The main purpose of descriptive statistics is to 2) The general process of gathering, organizing, summarizing, analyzing, and interpreting data is called 3) The performance of personal and business investments is measured as a percentage, return on investment. What type of variable is return on investment? • QNT 351 Week 1 DQ 6 • QNT 351 Week 2 Individual Assignment Data Collection • QNT 351 Week 2 Individual Assignment My StatsLab 10 Problems • QNT 351 Week 2 DQ 1

3. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 1 DQ 1 QNT 351 Week 1 DQ 3 Develop five demographic questions to measure gender, age, years of experience, level of education, and ethnicity. Identify the level of measurement used for each • Where would you see descriptive statistics used in your work place?

4. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 1 DQ 4 QNT 351 Week 1 DQ 5 What is the importance of statistics in business decision making? Describe a business situation where statistics was used in making a decision. • What is the difference between a dependent and independent variable? Do you think both variables are used in every research? Explain why or why not. Provide examples.

5. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 1 DQ 6 QNT 351 Week 1 Individual Assignment Statistics in Business (2 Sets) This tutorial contains 2 different Sets of papers Define statistics. Identify different types of statistics. Describe the role of statistics in business decision making. • What are the four data measurement scales? Provide two examples and explain the importance of each in business research.

6. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 2 DQ 1 QNT 351 Week 2 DQ 2 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. • Can mean, median, or mode be calculated from all statistical data? Explain why or why not. When is the mean the best measure of central tendency? When is the median the best measure of central tendency?

7. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 2 DQ 3 QNT 351 Week 2 DQ 4 Does all data have a mean, median, or mode? Why or why not? When is the mean the best measure of central tendency? When is the median the best measure of central tendency? • What level of data is a telephone number? Explain.

8. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 2 DQ 5 QNT 351 Week 2 Individual Assignment My StatsLab QNT 351 Week 2 Individual Assignment My StatsLab 10 Problems Week 2 Problems 1.Choose the correct answer bellow: A. It is an estimate or prediction or some other generalization about a population based on information contained in a sample B. It is a characteristic or property of an individual experimental unit C. It is the process used to assign numbers to variables of individual population units • Why is the population shape a concern when estimating a mean? What effect does sample size, n, have on the estimate of the mean?

9. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 2 Learning Team Assignment Data Collection (2 Sets) QNT 351 Week 3 DQ 1 What are the differences between probability and coincidence? Can the probability be more than 1 or less than 0? Explain why or why not. • This tutorial contains 2 different Sets of papers • Discuss with your team whether you have data from RES/351, and if your team would like to use one team member’s data for the Learning Team assignments in this course. • If using data from RES/351: • Resources: Data collected from RES/351

10. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 3 DQ 2 QNT 351 Week 3 DQ 3 What are the basic differences between a discrete and a continuous distribution? • What is the role of probability concepts in business decision-making? Provide specific examples.

11. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 3 DQ 4 QNT 351 Week 3 Individual Assignment My StatsLab 14-Problems (2 Sets) QNT 351 Week 3 Individual Assignment My StatsLab 14-Problems This tutorial contains 2 Sets of stats lab problems also This tutorial contains excel file which can be used to solve your lab problems even if the values doesn’t match Week 3 Problems 1. An industrial group reports that there were approximately 122,000 industrial robots operating in a region last year. The graph shows the percentages of industrial robot units assigned to each of six task categories. • What are the characteristics of standard normal distribution? Explain how to calculate the z-test static. Explain how a z-value is used to calculate the area under the distribution and the meaning of P(0 to z) when z = 1.96.

12. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 3 Individual Assignment Real Estate Data QNT 351 Week 3 Team Assignment Summarizing and Presenting Data (2 Sets) This tutorial contains 2 different Sets of papers If using RES/351 data: Revise the report submitted in Week Two based on the feedback provided by the instructor in the team assignment, and insight gained by reading. • Resources: Appendix A1 at the end of Basic Statistics for Business and Economics • Answer question 68 in the Data Set Exercises from Ch. 3 of Basic Statistics for Business and Economics. • Answer question 34 in the Data Set Exercises from Ch. 4 of Basic Statistics for Business and Economics.

13. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 4 DQ 1 QNT 351 Week 4 DQ 2 Why does the significance level differ among industries? Will the null hypothesis be more likely to be rejected at α = 0.01 than α = 0.10? As the significance level increases to α = 0.10 from α = 0.01, which type error is more likely to occur? What can be done to reduce the likelihood of incurring this error? • What are some terms related to hypothesis testing with which you are already familiar? Why do null and alternative hypotheses have to be mutually exclusive?

14. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 4 DQ 3 QNT 351 Week 4 DQ 4 Please explain terms related to hypothesis testing; please explain null and alternate hypotheses, explain the difference between two different test statistics, then define the equations used in both. Why do null and alternative hypotheses have to be mutually exclusive? • Please explain the five steps used in hypothesis testing. How does the five-step procedure for hypothesis testing differ when comparing two groups using a t- or z-test? How is the process similar?

15. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 4 Individual Assignment MyStatsLab 14-Problems (2 Sets) QNT 351 Week 4 Individual Assignment Real Estate Data Resources: Appendix A1 at the end of Basic Statistics for Business and Economics Answer question 60 (both parts a. and b.) in the Data Set Exercises from Ch. 6 of Basic Statistics for Business and Economics. Answer question 54 (both parts a. and b.) in the Data Set Exercises from Ch. 7 of Basic Statistics for Business and Economics. • QNT 351 Week 4 Individual Assignment MyStatsLab 14-Problems • This tutorial contains 2 Sets of stats lab problems also • This tutorial contains excel file which can be used to solve your lab problems even if the values doesn’t match • Week 4 Problems • 1. Determine whether the random variable is discrete or continuous. • a. the number of textbook authors now sitting at a computer

16. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 4 Learning Team Reflection (2 Sets) QNT 351 Week 5 Individual Assignment MyStatsLab Problems QNT 351 Week 5 Indivdiual Assignment MyStatsLab Problems • QNT 351 Week 4 Learning Team Reflection • This tutorial contains 2 different sets • Discuss the following with your Learning Team • : • The steps in testing a research hypothesis • Comparing the means of two or more groups

17. QNT 351 Educational Tutor/ indigohelp QNT 351 Week 5 Individual Assignment Real Estate Data QNT 351 Week 5 Learning Team Assignment Analyzing and Interpreting Data Paper and Presentation sk your instructor for specific information regarding the analysis you are required to perform for your data set. Combine your Week Two Learning Team assignment and Week Three findings with Week Five findings and make a recommendation to the research problem. • Resources: Appendix A1 at the end of Basic Statistics for Business and Economics • Answer question 58 in the Data Set Exercises from Ch. 10 of Basic Statistics for Business and Economics. • Answer question 62 in the Data Set Exercises from Ch. 13 of Basic Statistics for Business and Economics.

18. QNT 351 Educational Tutor/ indigohelp