Mathematics, 11.03.2020 02:50 lisa123465
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 31125.3-128.9 46129.0-132.6 40132.7-136.3 46136.4-140.0 19
Answers: 3
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