A professor at a large university believes that students take an average of 15 credit hours per term. A random sample of 22 students in her class of 250 students reported the following number of credit hours that they were taking: 12 12 12 13 13 14 14 14 14 15 15 15 16 16 16 16 16 17 17 18 19 21 aWhich distribution will you use here? If you use t distribution, give the degree of freedom. If you use z or normal, give the mean and standard deviation. Give the null and alternative hypothesis: bGive the test statistic:Find the p-value:c Decision and Conclusion:

A professor at a large university believes that students take an average of 15 credit hours per term. A random sample of 22 students in her class of 250 students reported the following number of...

A professor at a large university believes that students take an average of 15 credit hours per term. A random sample of 22 students in her class of 250 students reported the following number of credit hours that they were taking:

12	12	12	13	13	14	14	14	14	15	15
15	16	16	16	16	16	17	17	18	19	21

aWhich distribution will you use here? If you use t distribution, give the degree of freedom. If you use z or normal, give the mean and standard deviation. Give the null and alternative hypothesis:

bGive the test statistic:Find the p-value:

c Decision and Conclusion:

Jun 04, 2022

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A professor at a large university believes that students take an average of 15 credit hours per term. A random sample of 22 students in her class of 250 students reported the following number of...

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