Physics, 16.07.2021 18:20, brandydailey24pe8r24

Calculate the sample standard deviation 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 frequency
61 - 66 15
67 - 72 3
73 - 78 9
79 - 84 7
85 - 90 14

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Calculate the sample standard deviation and sample variance for the following frequency distribution...