A large group of students took a statistics test. The mean score, from the scale of 100, was 74.5 with a standard deviation of 7.5 The test scores have a bell-shaped distribution. 26 In the previous question, 95% of test scores are within ±______ from the mean test score. a 14.0 b 14.7 c 15.5 d 16.3

A large group of students took a statistics test. The mean score, from the scale of 100, was 74.5 with a standard deviation of 7.5 The test scores have a bell-shaped distribution. 26 In the previous question, 95% of test scores are within ±______ from the mean test score. a 14.0 b 14.7 c 15.5 d 16.3

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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Question

A large group of students took a statistics test.
The mean score, from the scale of 100, was	74.5	with a standard deviation of	7.5
The test scores have a bell-shaped distribution.