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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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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
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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