80 97 72 85 N 55 47 77 86 92 82 78 a) Construct a 95% confidence interval estimate for the class mean grade. b) Construct a 90% confidence interval estimate of proportion of students who scored above 80. (Hint: You can use the Standard Normal Distribution Excel Table below for calculating z values)

80 97 72 85 N 55 47 77 86 92 82 78 a) Construct a 95% confidence interval estimate for the class mean grade. b) Construct a 90% confidence interval estimate of proportion of students who scored above 80. (Hint: You can use the Standard Normal Distribution Excel Table below for calculating z values)

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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