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 120.1 - 123.8 19 123.9 - 127.6 44 127.7 - 131.4 46 131.5-135.2 29
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 120.1 - 123.8 19 123.9 - 127.6 44 127.7 - 131.4 46 131.5-135.2 29
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question
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 |
---|---|
120.1 - 123.8 | 19 |
123.9 - 127.6 | 44 |
127.7 - 131.4 | 46 |
131.5-135.2 | 29 |
135.3-139.0 | 33 |
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