Business, 15.02.2020 01:18 liapooh73p7b896

Calculate the sample mean and sample variance for the following frequency distribution of heart rates for a sample of American adults. If necessary, round to one more decimal place than the largest number of decimal places given in the data.

Heart Rates in Beats per Minute
Class Frequency
51 - 58 6
59 - 66 3
67 - 74 11
75 - 82 13
83 - 90 4
Sample Mean

Sample Variance

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Calculate the sample mean and sample variance for the following frequency distribution of heart rate...

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