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A study is done by a community group in two neighboring colleges to determine which one graduates students with more math classes. College A samples 11 graduates. Their average is 4 math classes with a standard deviation of 1.5 math classes. College B samples 9 graduates. Their average is 3.5 math classes with a standard deviation of 0.95 math class. The community group believes that a student who graduates from college A has taken more math classes, on the average. Both populations have a normal distribution. Test at a = 0.05 significance level. Which distribution do you use to perform the test and what is P-values? What is your conclusion ? O a. t-test and P-value =0.1990, reject Ho b. t-test and P-value =0 1990 do not reiect I

A study is done by a community group in two neighboring colleges to determine which one graduates students with more math classes. College A samples 11 graduates. Their average is 4 math classes with a standard deviation of 1.5 math classes. College B samples 9 graduates. Their average is 3.5 math classes with a standard deviation of 0.95 math class. The community group believes that a student who graduates from college A has taken more math classes, on the average. Both populations have a normal distribution. Test at a = 0.05 significance level. Which distribution do you use to perform the test and what is P-values? What is your conclusion ? O a. t-test and P-value =0.1990, reject Ho b. t-test and P-value =0 1990 do not reiect I

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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A study is done by a community group in two neighboring colleges to determine which one graduates students with more math classes. College A samples 11 graduates. Their average is 4 math classes with a standard deviation of 1.5 math classes. College B samples 9 graduates. Their average is 3.5 math classes with a standard deviation of 0.95 math class. The community group believes that a student who graduates from college A has taken more math classes, on the average. Both populations have a normal distribution. Test at a = significance level. Which distribution do you use to perform the test and what is P-values? What is your conclusion ? O a. t-test and P-value =0.1990, reject H O b. t-test and P-value =0.1990, do not reject Ho O C. z-test and P-value =0.1990, reject H. O d. z-test and P-value =0, reject Ho e. z-test and P-value =0.1990, do not reject Ho
Transcribed Image Text:A study is done by a community group in two neighboring colleges to determine which one graduates students with more math classes. College A samples 11 graduates. Their average is 4 math classes with a standard deviation of 1.5 math classes. College B samples 9 graduates. Their average is 3.5 math classes with a standard deviation of 0.95 math class. The community group believes that a student who graduates from college A has taken more math classes, on the average. Both populations have a normal distribution. Test at a = significance level. Which distribution do you use to perform the test and what is P-values? What is your conclusion ? O a. t-test and P-value =0.1990, reject H O b. t-test and P-value =0.1990, do not reject Ho O C. z-test and P-value =0.1990, reject H. O d. z-test and P-value =0, reject Ho e. z-test and P-value =0.1990, do not reject Ho
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