Question: alculate the sample standard deviation and sample variance for the following frequency distribution of heart rates for a sample of American adults. If necessary, round

alculate 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.

Heart Rates in Beats per MinuteClassFrequency61-66

61-6615

1567-72

67-724

473-78

73-786

679-84

79-844

485-90

85-9012

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