The work week for adults in the US that work full time is normally distributed with a mean of 47 hours. A newly hired engineer at a start-up company believes that employees at start-up companies work more on average then most working adults in the US. She asks 12 engineering friends at start-ups for the lengths in hours of their work week. Their responses are shown in the table below. Test the claim using a 10% level of significance. Give answer to at least 4 decimal places. Hours 50 43 54 54 50 63 60 49 49 45 52 53 What are the correct hypotheses? Ho: Select an answer? hours H₁: Select an answer? hours Based on the hypotheses, find the following: Test Statistic- p-value= The correct decision is to [Select an answer The correct summary would be: [Select an answer ✓that the mean number of hours of all employees at start-up companies work more than the US mean of 47 hours.

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6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Question 23: 

The work week for adults in the US that work full time is normally distributed with a mean of 47 hours. A newly hired engineer at a start-up company believes that employees at start-up companies work more on average then most working adults in the US. She asks 12 engineering friends at start-ups for the lengths in hours of their work week. Their responses are shown in the table below. Test the claim using a 10% level of significance. Give answer to at least 4 decimal places.

 

Hours
50
43
54
54
50
63
60
49
49
45
52
53

 

What are the correct hypotheses? 

H0:                    hours

H1:                    hours

Based on the hypotheses, find the following:

Test Statistic=

p-value=

The correct decision is to       .

The correct summary would be:       that the mean number of hours of all employees at start-up companies work more than the US mean of 47 hours.

The work week for adults in the US that work full time is normally distributed with a mean of 47 hours. A
newly hired engineer at a start-up company believes that employees at start-up companies work more on
average then most working adults in the US. She asks 12 engineering friends at start-ups for the lengths in
hours of their work week. Their responses are shown in the table below. Test the claim using a 10% level of
significance. Give answer to at least 4 decimal places.
Hours
50
43
54
54
50
63
60
49
49
45
52
53
What are the correct hypotheses?
Ho: Select an answer
?
H₁: Select an answer?
Based on the hypotheses, find the following:
Test Statistic-
p-value=
The correct decision is to [Select an answer
that the mean number of
The correct summary would be: [Select an answer
hours of all employees at start-up companies work more than the US mean of 47 hours.
hours
hours
Transcribed Image Text:The work week for adults in the US that work full time is normally distributed with a mean of 47 hours. A newly hired engineer at a start-up company believes that employees at start-up companies work more on average then most working adults in the US. She asks 12 engineering friends at start-ups for the lengths in hours of their work week. Their responses are shown in the table below. Test the claim using a 10% level of significance. Give answer to at least 4 decimal places. Hours 50 43 54 54 50 63 60 49 49 45 52 53 What are the correct hypotheses? Ho: Select an answer ? H₁: Select an answer? Based on the hypotheses, find the following: Test Statistic- p-value= The correct decision is to [Select an answer that the mean number of The correct summary would be: [Select an answer hours of all employees at start-up companies work more than the US mean of 47 hours. hours hours
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