Does this sample indicate that work-study students are working more hours than the professor believes? Test an appropriate hypothesis and state your conclusion
Does this sample indicate that work-study students are working more hours than the professor believes? Test an appropriate hypothesis and state your conclusion
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 25PFA
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Question
A professor at a large university believes that work-study students work an average of 15 hours each
week. A random sample of 24 students from a group of 250 work-study students reported the
following number of hours worked in one week. (HINT: Put into L1 and then choose data when
constructing the test.)
12 13 14 14 15 15 15 16 16 16 16 16
17 17 17 18 18 18 18 19 19 19 20 21
Does this sample indicate that work-study students are working more hours than the professor
believes? Test an appropriate hypothesis and state your conclusion using a significance level of 0.05.
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