A random sample of 50 students who took an aptitude test had a mean raw score of 32. An evaluator from the school claims the score is at least 30. At 5% level of significance is there enough evidence to support the evaluator’s claim? Assume the population standard deviation is 4.5 points. a. Display the hypothesis structure, identify the claim and the test type b. Find the p-value and indicate if the null hypothesis should be rejected or not. p =
A random sample of 50 students who took an aptitude test had a mean raw score of 32. An evaluator from the school claims the score is at least 30. At 5% level of significance is there enough evidence to support the evaluator’s claim? Assume the population standard deviation is 4.5 points. a. Display the hypothesis structure, identify the claim and the test type b. Find the p-value and indicate if the null hypothesis should be rejected or not. p =
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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A random sample of 50 students who took an aptitude test had a mean raw score of 32. An evaluator from
the school claims the score is at least 30. At 5% level of significance is there enough evidence to support the
evaluator’s claim? Assume the population standard deviation is 4.5 points.
a. Display the hypothesis structure, identify the claim and the test type
b. Find the p-value and indicate if the null hypothesis should be rejected or not.
p =
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