This problem refers to #s 12 - 15. A psychologist developed a stress test for a certain group of students whose parents were laid off from work this pandemic. The test scores were assumed to be normally distributed. The psychologist asserted a tentative hypothesis that the average obtained by the group would be 100. The 16 respondents obtained a mean of 94 with a standard deviation of 5. Test the results at 5% level of significance. 12. What is the appropriate test statistic? A. ttest B. z test C. P value D. a 13. What would be the tabular value? A. -4.80 B. +2.131 С. 2.131 D. 4.80 14. What is the computed value? - 4.80 А. B. +2.131 C. 2.131 D. 4.80
This problem refers to #s 12 - 15. A psychologist developed a stress test for a certain group of students whose parents were laid off from work this pandemic. The test scores were assumed to be normally distributed. The psychologist asserted a tentative hypothesis that the average obtained by the group would be 100. The 16 respondents obtained a mean of 94 with a standard deviation of 5. Test the results at 5% level of significance. 12. What is the appropriate test statistic? A. ttest B. z test C. P value D. a 13. What would be the tabular value? A. -4.80 B. +2.131 С. 2.131 D. 4.80 14. What is the computed value? - 4.80 А. B. +2.131 C. 2.131 D. 4.80
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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Transcribed Image Text:This problem refers to #s 12 - 15.
A psychologist developed a stress test for a certain group of students whose parents were laid off from work this
pandemic. The test scores were assumed to be normally distributed. The psychologist asserted a tentative
hypothesis that the average obtained by the group would be 100. The 16 respondents obtained a mean of 94 with a
standard deviation of 5. Test the results at 5% level of significance.
12. What is the appropriate test statistic?
А.
t test
B. z test
C. Pvalue
D. a
13. What would be the tabular value?
A. - 4.80
B. ±2.131
C. 2.131
D. 4.80
14. What is the computed value?
А.
-4.80
B. ±2.131
С. 2.131
D. 4.80
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