Calculate the sample mean and sample variance for the following frequency distribution of heights in centimeters for a sample of 8-year-old boys. If necessary, round to one more decimal place than the largest number of decimal places given in the data. Heights in Centimeters Class Frequency 121.6 - 125.2 25 125.3 - 128.9 26 129.0 - 132.6 24 132.7 - 136.3 19 136.4 - 140.0 26 Sample mean Sample variance

Calculate the sample mean and sample variance for the following frequency distribution of heights in centimeters for a sample of 8-year-old boys. If necessary, round to one more decimal place than the largest number of decimal places given in the data. Heights in Centimeters Class Frequency 121.6 - 125.2 25 125.3 - 128.9 26 129.0 - 132.6 24 132.7 - 136.3 19 136.4 - 140.0 26 Sample mean Sample variance

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

Heights in Centimeters

Class	Frequency
121.6 - 125.2	25
125.3 - 128.9	26
129.0 - 132.6	24
132.7 - 136.3	19
136.4 - 140.0	26

Sample mean

Sample variance

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