**Question:** Which of the following *decreases* the margin of error for a confidence interval?- [ ] Decreasing the sample size.- [ ] Decreasing the confidence level.- [ ] Increasing the sample size.- [ ] Increasing the confidence level.

Answered: Which of the following decreases the…

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 13 randomly selected college students. Round answers to 3 decimal places where possible. 7 8 8 0 2 11 6 10 2 0 1 3 1 With 90% confidence the population mean number of days of class that college students miss is between and days.
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Which of the following decreases the margin of error for a confidence interval? Decreasing the sample size. Decreasing the confidence level. Increasing the sample size. Increasing the confidence level.