Answered: Government Private Sector Employees… | bartleby

MATLAB: An Introduction with Applications

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

Do government employees take longer coffee breaks than private sector workers? That is a question that
interested a management consultant. To examine the issue, he took a random sample of ten government
employees and another random sample of ten private sector workers and measured the amount of time (in
minutes) they spent in coffee breaks during the day. The results are listed below. Assume that the two
populations are normally distributed.

Government
Private Sector
Employees
Workers
23
25
18
19
34
18
31
22
28
28
33
25
25
21
27
21
32
20
21
16
а).
consultant's claim?
Do these data provide sufficient evidence at the 5% significance level to support the
Ho:
H1:
Appropriate test:
Test statistic=
Conclusion:
Interpretation:
b).
Estimate with 95% confidence the difference in coffee breaks mean time between the two
groups.
c).
Explain what the interval estimate tells you.

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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 49 40 58 52 49 70 49 59 47 49 53 55 What are the correct hypotheses? H0: hoursH1: 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.
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