The mean work week for engineers in a start-up company is believed to be about 60 hours. A newly hired engineer hopes that it’s shorter. She asks ten engineering friends in start-ups for the lengths of their mean work weeks. Based on the results that follow, should she count on the mean work week to be shorter than 60 hours? Data (length of mean work week): 70; 45; 55; 60; 65; 55; 55; 60; 50; 55. a) What is the decision about the null hypothesis? Fail to reject the null hyp Reject the null hyp b) State the conclusion.
The mean work week for engineers in a start-up company is believed to be about 60 hours. A newly hired engineer hopes that it’s shorter. She asks ten engineering friends in start-ups for the lengths of their mean work weeks. Based on the results that follow, should she count on the mean work week to be shorter than 60 hours? Data (length of mean work week): 70; 45; 55; 60; 65; 55; 55; 60; 50; 55. a) What is the decision about the null hypothesis? Fail to reject the null hyp Reject the null hyp b) State the 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 1GP
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Data (length of mean work week): 70; 45; 55; 60; 65; 55; 55; 60; 50; 55.
a)
What is the decision about the null hypothesis?
Fail to reject the null hyp
Reject the null hyp
b) State the conclusion.
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