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FOR MORE CLASSES VISIT <br>www.qnt275study.com<br>1.<br><br>In a hearing test, subjects estimate the loudness (in decibels) of a sound, and the results are: 69, 67, 71, 72, 65, 75, 68, 68, 83, 73, 68.<br>
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QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275 Week 2 Homework Problem Set Excel File • FOR MORE CLASSES VISIT • www.qnt275study.com • 1. • In a hearing test, subjects estimate the loudness (in decibels) of a sound, and the results are: 69, 67, 71, 72, 65, 75, 68, 68, 83, 73, 68. • Calculate the measures of central tendency (Mean, median, mode) and the measures of dispersion (range, standard deviation, variance).
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275 Week 3 Homework Problem Set Excel File • FOR MORE CLASSES VISIT • www.qnt275study.com • 1. • A survey is made in a neighborhood of 90 voters. 75 are Democrats and 15 are Republicans. Of the Democrats, 30 are women, while 7 of the Republicans are women. If one subject from the group is randomly selected, find the probability the individual is a male Republican.
QNT 275 STUDY T Fantastic Education---qnt275study.com QNT 275 Week 4 Homework Problem Set Excel File FOR MORE CLASSES VISIT www.qnt275study.com 1. A sample of 100 items has a population standard deviation of 5.9 and a mean of 32. Construct a 95 percent confidence interval for μ. 2. At the end of 1990, 1991, and 1992, the average prices of a share of stock in a portfolio were $34.75, $34.65, and $31.25 respectively.
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275T Apply Week 1 Connect Exercise (All Possible Question Answers) • FOR MORE CLASSES VISIT • www.qnt275study.com • Week 1 Connect Exercise (All Possible Question Answers) • QNT/275T • College entrance exam scores, such as SAT scores, are an example of a(n)________ variable. • ______ is a necessary component of a runs plot. • Jersey numbers of soccer players is an example of a(n)______ variable.
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275T Apply Week 2 Connect Exercise (All Possible Question Answers) • FOR MORE CLASSES VISIT • www.qnt275study.com • 1) An interval that contains a specified percentage of the individual measurements is called a(n) _______________ interval. • 2) A CFO is looking at what percentage of a company's resources are spent on computing. He samples companies in the pharmaceutical industry and develops the following stem-and-leaf graph.
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275T Apply Week 3 Connect Exercise (All Possible Question Answers) • FOR MORE CLASSES VISIT • www.qnt275study.com • Week 3 • Quiz • Consider a standard deck of 52 playing cards, a randomly selected card from the deck, and the following events: R = red, B = black, A = ace, N = nine, D = diamond, and C = club. • Are D and C mutually exclusive? • Yes, mutually exclusive.
QNT 275 STUDY T Fantastic Education---qnt275study.com QNT 275T Apply Week 4 Connect Exercise (All Possible Question Answers) FOR MORE CLASSES VISIT www.qnt275study.com QNT 275T Apply Week 4 Connect Exercise (All Possible Question Answers) 1) A sample of 100 items has a population standard deviation of 5.1 and a mean of 21.6. Construct a 95 percent confidence interval for μ. 2) Recently, a case of food poisoning was traced to a particular restaurant chain.
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275T Apply Week 5 Connect Exercise (All Possible Question Answers) • FOR MORE CLASSES VISIT • www.qnt275study.com • QNT 275T Apply Week 5 Connect Exercise (All Possible Question Answers) • 1) When the assumption of __________ residuals (error terms) is violated, the Durbin-Watson statistic is used to test to determine if there is significant _____________ among the residuals. • 2) In a simple linear regression analysis, the correlation coefficient (r) and the slope (b) ___________ have the same sign.
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275T Week 1 Discussion Statistics Tools • FOR MORE CLASSES VISIT • www.qnt275study.com • QNT 275T Week 1 Discussion Statistics Tools • Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students. • Due Thursday
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275T Week 1 Practice Knowledge Check (All Possible Question Answers) • FOR MORE CLASSES VISIT • www.qnt275study.com • QNT 275T Week 1 Practice Knowledge Check (All Possible Question Answers) • 1) A sequence of operations that takes inputs and turns them into outputs is a ________.
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275T Week 2 Discussion Charts • FOR MORE CLASSES VISIT • www.qnt275study.com • QNT 275T Week 2 Discussion Charts • Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students. • Due Thursday
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275T Week 2 Practice Knowledge Check (All Possible Question Answers) • FOR MORE CLASSES VISIT • www.qnt275study.com • Wk 2: Practice: Week 2 Knowledge Check (All Possible Question Answers) • 1. In a statistics class, the following 10 scores were randomly selected: 74, 73, 77, 77, 71, 68, 65, 77, 67, 66. • What is the median? • 77.0 • 73.0
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275T Week 3 Discussion Sales Training • FOR MORE CLASSES VISIT • www.qnt275study.com • QNT 275T Week 3 Discussion Sales Training • Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students. • Due Thursday • Respond to the following in a minimum of 175 words:
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275T Week 3 Practice Knowledge Check (All Possible Question Answers) • FOR MORE CLASSES VISIT • www.qnt275study.com • Week 3 • Knowledge Check (All Possible Question Answers) • In a local survey, 100 citizens indicated their opinions on a revision to a local land-use plan. Of the 62 persons giving favorable responses, 40 were males. Of the 38 giving unfavorable responses, 15 were males. If one citizen is randomly selected, find the probability that person is male and has a favorable opinion.
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275T Week 4 Discussion Income and Insurance • FOR MORE CLASSES VISIT • www.qnt275study.com • QNT 275T Week 4 Discussion Income and Insurance • Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275T Week 4 Practice Knowledge Check (All Possible Question Answers) • FOR MORE CLASSES VISIT • www.qnt275study.com • Week 4 • Knowledge Check (All Possible Question Answers) • If we have a sample size of 100 and the estimate of the population proportion is .10, we can estimate the sampling distribution of pˆp^ with a normal distribution.
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275T Week 5 Discussion The Tasty Sub Shop Case and The QHIC Case • FOR MORE CLASSES VISIT • www.qnt275study.com • QNT 275T Week 5 Discussion The Tasty Sub Shop Case and The QHIC Case • Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.
QNT 275 STUDY T Fantastic Education---qnt275study.com • QNT 275T Week 5 Practice Knowledge Check (All Possible Question Answers) • FOR MORE CLASSES VISIT • www.qnt275study.com • 1) In simple regression analysis, the quantity that gives the amount by which Y(dependent variable) changes for a unit change in X(independent variable) is called the • 2) The chi-square goodness-of-fit test will be valid if the average of the expected cell frequencies is • 3) In simple linear regression analysis, we assume that the variance of the independent variable (X) is equal to the variance of the dependent variable (Y).