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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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Transcribed Image Text:4. A random sample of 20 students yielded a mean of = 72 and a variance of s2 = 16
for scores on a college placement test in mathematics. Assuming the scores to be
normally distributed, construct a 98% confidence interval for o2.
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