1. The mean work week for a new engineering company is approximately 60 hours. A recently hired engineer hopes that it is shorter. She collects information from 10 of her friends working at new engineering firms about the length of their work week and receives the following: 70, 45, 55, 60, 65, 55, 55, 60, 50, 55. Based on your analysis, should she count on the mean work week to be shorter than 60 hours? a. What statistical test will you use to test this data? b. State the null and alternative hypothesis. i. H0: ii. Ha: c. What are the confidence intervals?
1. The mean work week for a new engineering company is approximately 60 hours. A recently hired engineer hopes that it is shorter. She collects information from 10 of her friends working at new engineering firms about the length of their work week and receives the following: 70, 45, 55, 60, 65, 55, 55, 60, 50, 55. Based on your analysis, should she count on the mean work week to be shorter than 60 hours? a. What statistical test will you use to test this data? b. State the null and alternative hypothesis. i. H0: ii. Ha: c. What are the confidence intervals?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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1. The mean work week for a new engineering company is approximately 60 hours. A recently hired engineer hopes that it is shorter. She collects information from 10 of her friends working at new engineering firms about the length of their work week and receives the following: 70, 45, 55, 60, 65, 55, 55, 60, 50, 55. Based on your analysis, should she count on the mean work week to be shorter than 60 hours?
a. What statistical test will you use to test this data?
b. State the null and alternative hypothesis.
i. H0:
ii. Ha:
c. What are the confidence intervals?
d. What is the value of the test statistic?
e. What is the p-value?
f. Circle/highlight the correct decision about the null hypothesis.
Reject H0 Fail to Reject H0
g. What are your conclusions?
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