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a. To compute the confidence interval use a ? v distribution. b. With 90% confidence the population mean number of days of class that college students miss is between and days. 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 missed class days and about percent will not contain the true population mean number of missed class days.

a. To compute the confidence interval use a ? v distribution. b. With 90% confidence the population mean number of days of class that college students miss is between and days. 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 missed class days and about percent will not contain the true population mean number of missed class days.

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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You are interested in finding a 90% confidence interval for the average number of days of class that college students miss each year. The data below show the number of missed days for 11 randomly selected college students. Round answers to 3 decimal places where possible. 9. 1 9. 7 3 4 2 12 12 11 a. To compute the confidence interval use a ? v distribution. b. With 90% confidence the population mean number of days of class that college students miss is between and days. 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 missed class days and about percent will not contain the true population mean number of missed class days.
Transcribed Image Text:You are interested in finding a 90% confidence interval for the average number of days of class that college students miss each year. The data below show the number of missed days for 11 randomly selected college students. Round answers to 3 decimal places where possible. 9. 1 9. 7 3 4 2 12 12 11 a. To compute the confidence interval use a ? v distribution. b. With 90% confidence the population mean number of days of class that college students miss is between and days. 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 missed class days and about percent will not contain the true population mean number of missed class days.
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