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 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:
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 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:
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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:
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