Mathematics, 24.06.2021 20:30 amm2795
3. The Wonderlic Personnel Test tests general mental ability. The national average for the
Wonderlic Personnel Test is 33 with a standard deviation of 6. Dr. Cravin, a physics professor,
is confident that his PHYS 320 class would score higher than the national average on the
Wonderlic Personnel Test. Dr. Cravin randomly sampled 10 students from his class and had
them take the test (scores reported below). Does Dr. Cravin's class score higher than the national
average on the Wonderlic Personnel Test? Set alpha equal to 0.05.
29, 34, 36, 32, 34, 33, 42, 40, 30, 32
(2 points)
3a. Write the null and alternative hypotheses in symbols.
Hoi u=33
Hi: M 33
3b. Set up the decision criteria. That is, find the critical value(s).
(1 point)
3c. Compute the appropriate test statistics. Show your work.
(3 points)
3d. Based on your results, evaluate the null hypothesis. (circle one)
(1 point)
Reject
Fail to reject
3e. State your conclusion in words.
(1 point)
Answers: 2
Mathematics, 21.06.2019 19:30, andrwisawesome0
Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip
Answers: 1
Mathematics, 21.06.2019 20:30, Gabyngreen
What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81
Answers: 1
3. The Wonderlic Personnel Test tests general mental ability. The national average for the
Wonderli...
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