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 48 42 55 51 48 65 54 54 45 49 53 50 What are the correct hypotheses? Ho: P Test Statistic= = V 47 HA: P Based on the hypotheses, find the following: p-value= hours V

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 48 42 55 51 48 65 54 54 45 49 53 50 What are the correct hypotheses? Ho: P Test Statistic= = V 47 HA: P Based on the hypotheses, find the following: p-value= hours V

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Just the t-stats, p-value, and whether or not we:

- reject the null

- fail to reject the null

- accept the null

- accept the alternative

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
48
42
55
51
48
65
Ho: p
54
54
45
49
53
50
What are the correct hypotheses?
Test Statistic=
= V 47
HA: P
Based on the hypotheses, find the following:
p-value=
hours
<V 47
hours
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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