You are interested in finding a 98% confidence interval for the average commute that non-residential students have to their college. The data below show the number of commute milesfor 11 randomly selected non-residential college students. Round answers to 3 decimal placeswhere possible.21 19 24 21 24 7 28 27 7 10 18a. To compute the confidence interval use adistribution.b. With 98% confidence the population mean commute for non-residential college students isbetween 12.116 X and 25.338 X miles.c. If many groups of 11 randomly selected non-residential college students are surveyed, then adifferent confidence interval would be produced from each group. About 98percent ofthese confidence intervals will contain the true population mean number of commute miles andabout 2 percent will not contain the true population mean number of commute miles.

Given n=11 21,19,24,21,24,7,28,27,7,10,18 98% confidence interval

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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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Use the given confidence interval to find the margin of error and the sample mean. (13.4,21.6) The sample mean is (Type an integer or a decimal.)
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ou are interested in finding a 95% confidence interval for the average commute that non-residential students have to their college. The data below show the number of commute miles for 11 randomly selected non-residential college students. Round answers to 3 decimal places where possible. 15 12 9 25 20 9 6 10 7 26 27 a. To compute the confidence interval use a distribution. b. With 95% confidence the population mean commute for non-residential college students is between and miles. c. If many groups of 11 randomly selected non-residential college students are surveyed, then a different confidence interval would be produced from each group. About percent of these confidence intervals will contain the true population mean number of commute miles and about percent will not contain the true population mean number of commute miles.
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