Question 1 On the basis of a sample of size 45, the mean hours freshmen spent...

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Question 1 On the basis of a sample of size 45, the mean hours freshmen spent...

Question 1

On the basis of a sample of size 45, the mean hours freshmen spent on gymnasium per week was calculated to be 3.5 hours and standard deviation of s = 1.2 hours. A researcher wants to test H 0:μ = 4.1 hours against H a: μ < 4.1 hours at 5% significance level.

What test would you use here?

Group of answer choices

Z test

Cannot be determined.

T test

Question 2

On the basis of a sample of size 45, the mean hours freshmen spent on gymnasium per week was calculated to be 3.5 hours and standard deviation of s = 1.2 hours. A researcher wants to test H 0:μ = 4.1 hours against H a: μ < 4.1 hours at 5% significance level.

What is the test statistic value?

Group of answer choices

4.513

-3.354

0.971

Question 3

On the basis of a sample of size 45, the mean hours freshmen spent on gymnasium per week was calculated to be 3.5 hours and standard deviation of s = 1.2 hours. A researcher wants to test H 0: μ = 4.1 hours against H a:μ < 4.1 hours at 5% significance level.

What is the p-value of the test?

Group of answer choices

- 0.3015

1.000

0.000823

math Statistics-And-Probability

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Question 1 On the basis of a sample of size 45, the mean hours freshmen spent...

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