A scientist predicts engineers are more creative than physicians. On a standard creativity test, the population mean for physicians is 40.5. For a sample of 25 engineers, the sample mean = 42.1 ( sample variance = 15.52) using the same test. What is the value of tcrit?    b. What is the value of tobt? c. With p = 0.05, do we accept or reject the null hypothesis?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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A scientist predicts engineers are more creative than physicians. On a standard creativity test, the population mean for physicians is 40.5. For a sample of 25 engineers, the sample mean = 42.1 ( sample variance = 15.52) using the same test.

What is the value of tcrit?   

b. What is the value of tobt?

c. With p = 0.05, do we accept or reject the null hypothesis?   

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