You are interested in finding a 90% confidence interval for the average number of days of classthat college students miss each year. The data below show the number of missed days for 15randomly selected college students.010 3 410 3 2 11 2 8 6 6a. To compute the confidence interval use a110 12? Ⓒ distribution.b. With 90% confidence the population meannumber of days of class that college students miss isbetweenanddays.c. If many groups of 15 randomly selected non-residential college students are surveyed, then adifferent confidence interval would be produced from each group. Aboutpercent ofthese confidence intervals will contain the true population mean number of missed class daysand aboutpercent will not contain the true population mean number of missed classdays.

Given Sample size (n) = 15 Confidence interval= 90%

Answered: hat college students miss each year.…

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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AA A www-awn.aleks.com t1 items wai... T (1) THE STYLE... ** lissa Black Lo... Bb Thread: Week... X A ALEKS - Shasi... O CONFIDENCE INTERVALS AND HYPOTHESIS TESTL. Confidence interval for the population. Shasia v OOD OC The following data were randomly drawn from an approximately normal population. 17, 20, 25, 29, 33, 41, 44 (Send data to calculator (Send data to Excel Based on these data, find a 95% confidence interval for the population standard deviation. Then give its lower limit and upper limit. Carry your intermediate computations to at least three decimal places. Round your answers to at least two decimal places. (If necessary, consult a list of formulas.) Lower limit: I ? Upper limit: O Explanation Ch. +
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