Use the Wilcoxon matched-pairs signed rank test to determine whether there is a significant difference between the related populations represented by the data below. Assume a 5% level of significance and (differences = before - after). Before    After 5.6        6.4 1.3        1.5 4.7        4.6 3.8        4.3 2.4        2.1 5.5        6.0 5.1        5.2 4.6        4.5 3.7        4.5 What is the value of T-? Answer=36 What is the value of T+? Answer=9 What is the test statistic, T? Answer=9 Using the table of Critical Values, what is the critical value for this study? Answer=???????

+ 十 6. 8. 6. 10 11 12 13 14 15 16 data Based on the boxplot above, identify the 5 number summary (min, Q1, median, Q3, max) IQR = %3D

Samples of starting annual salaries for individuals entering the public accounting and financial planning professions follow. Annual salaries are shown in thousands of dollars. Public Accountant 51.2 59.8 56.3 58.2 55.2 56.0 51.9 60.5 57.0 50.9 Financial Planner 50.0 49.2 54.1 56.9 50.9 53.6 Find the value of the test statistic. W = 75.50 X 49.7 53.9 51.8 48.9 (a) Use a 0.05 level of significance and test the hypothesis that there is no difference between the starting annual salaries of public accountants and financial planners. State the null and alternative hypotheses. O Ho: The two populations of salaries are not identical. H₂: The two populations of salaries are identical. O Ho: Median salary for public accountants - Median salary for financial planners 20 H₂: Median salary for public accountants - Median salary for financial planners 0 O Ho: Median salary for public accountants - Median salary for financial planners > 0 H₂: ₂: Median salary for public accountants - Median salary…

FREE RESPONSE 1. The table below summarizes combined city/highway fuel econ- y for new cars classified as "large" models. 11. N MEAN STDEV SEMEAN TRMEAN MIN Q1 MEDIAN Q3 MAX 0.417 65 19.6 3.36 19.5 14 17 19 21 28 a) What do the summary statistics suggest about the overall shape of the distribution? Explain. b) Are there any outliers in the data? Explain how you deter- mined this. c) In advertising for its own vehicle, a competitor described one large car that gets 17 mpg as exceptionally gas-thirsty. Based on the summary statistics above, comment on that characterization. 4. The requ hea sur on of a

Samples of starting annual salaries for individuals entering the public accounting and financial planning professions follow. Annual salaries are shown in thousands of dollars. Public Accountant 51.2 57.8 57.3 58.2 53.2 55.0 51.9 58.5 57.0 52.9 Financial Planner 49.0 50.2 54.1 54.9 52.9 Find the value of the test statistic. W = 137.5 53.6 49.7 53.9 52.8 48.9 (a) Use a 0.05 level of significance and test the hypothesis that there is no difference between the starting annual salaries of public accountants and financial planners. State the null and alternative hypotheses. O Ho: Median salary for public accountants - Median salary for financial planners ≤ 0 H₂: Median salary for public accountants - Median salary for financial planners > 0 Ho: The two populations of salaries are identical. H₂: The two populations of salaries are not identical. O Ho: Median salary for public accountants - Median salary for financial planners 20 H₂: Median salary for public accountants - Median salary for…

Q个4 3 of 6 200% 5.) If the number 12.3 were added to the dataset below, which statement best describes how its mean and median would change? 70.1, 72.3, 75.6, 78.9, 81.0, 83.8, 84.5, 91.2 A.) The mean and median both decrease, but the mean decreases more. B.) The mean and median both decrease, but the median decreases more. C.) The median doesn't change, but the mean decreases. D.) The mean doesn't change, but the median decreases. 021 Illuminate EducationTM, Inc. ? XP OCa 29

(b) What are the sample median annual salaries (in $) for the two professions? sample median = $ Public Accountants Financial Planners sample median = $

answer mmultiple choice