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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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
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