In a random sample of seven people, the mean driving distance to work was 25.4 miles and the standard deviation was 5.6 miles. Assuming the population is normally distributed and using the t-distribution, a 95% confidence interval for the population mean μ is (20.2, 30.6) (and the margin of error is 5.2). Through research, it has been found that the population standard deviation of driving distances to work is 4.8. Using the standard normal distribution with the appropriate calculations for a standard deviation that is known, find the margin of error and construct a 95% confidence interval for the population mean μ. Interpret and compare the results. Question content area bottom Part 1 Identify the margin of error. enter your response here ▼ miles per hour square miles miles (Round to one decimal place
In a random sample of seven people, the mean driving distance to work was 25.4 miles and the standard deviation was 5.6 miles. Assuming the population is normally distributed and using the t-distribution, a 95% confidence interval for the population mean μ is (20.2, 30.6) (and the margin of error is 5.2). Through research, it has been found that the population standard deviation of driving distances to work is 4.8. Using the standard normal distribution with the appropriate calculations for a standard deviation that is known, find the margin of error and construct a 95% confidence interval for the population mean μ. Interpret and compare the results. Question content area bottom Part 1 Identify the margin of error. enter your response here ▼ miles per hour square miles miles (Round to one decimal place
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
In a random sample of
normally distributed and using the t-distribution, a
seven
people, the mean driving distance to work was
25.4
miles and the standard deviation was
5.6
miles. Assuming the population is 95%
confidence interval for the population mean
μ
is
(20.2, 30.6)
(and the margin of error is
5.2).
Through research, it has been found that the population standard deviation of driving distances to work is
4.8.
Using the standard normal distribution with the appropriate calculations for a standard deviation that is known, find the margin of error and construct a
95%
confidence interval for the population mean
μ.
Interpret and compare the results.Question content area bottom
Part 1
Identify the margin of error.
enter your response here
▼
miles per hour
square miles
miles
(Round to one decimal place as needed.)
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