28) You are analyzing survey data and would like to determine if the median salary of respondents who are less than 40 years is different than the median salary of those who are 40 and older. Using the Mann-Whitney-Wilcoxon Test with a = 0.05, you find a test statistic of -2.20. What is the p-value for the hypothesis test? A) 0.9861 B) 0.0139 C) 0.025 D) 0.05 E) 0.0278 29) Two variables are measured on a random sample of n = 23. The sample data results in a sample correlation of 0.393. If you fit a simple regression model to the data, what value would the coefficient of determination (or R-squared) take on? A) 0.627 B) 0.393 C) 0.154 D) 0.000 E) 0.296
28) You are analyzing survey data and would like to determine if the median salary of respondents who are less than 40 years is different than the median salary of those who are 40 and older. Using the Mann-Whitney-Wilcoxon Test with a = 0.05, you find a test statistic of -2.20. What is the p-value for the hypothesis test? A) 0.9861 B) 0.0139 C) 0.025 D) 0.05 E) 0.0278 29) Two variables are measured on a random sample of n = 23. The sample data results in a sample correlation of 0.393. If you fit a simple regression model to the data, what value would the coefficient of determination (or R-squared) take on? A) 0.627 B) 0.393 C) 0.154 D) 0.000 E) 0.296
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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28) You are analyzing survey data and would like to determine if the
respondents who are less than 40 years is different than the median salary of those who
are 40 and older. Using the Mann-Whitney-Wilcoxon Test with a = 0.05, you find a
test statistic of -2.20. What is the p-value for the hypothesis test?
A) 0.9861
B) 0.0139
C) 0.025
D) 0.05
E) 0.0278
29) Two variables are measured on a random sample of n = 23. The sample data results in
a sample
value would the coefficient of determination (or R-squared) take on?
A) 0.627
B) 0.393
C) 0.154
D) 0.000
E) 0.296
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