Temperatures in the first 2 weeks of August in asmall town in Oregon. Date Tempe

Question

Temperatures in the first 2 weeks of August in asmall town in Oregon.

Date       Temperature

August1          94

August2          84

August3          99

August4          92

August5          88

August6          84

August7          86

August8          78

August9          76

August10         74

August11          88

August12          82

August13         84

August14          88

A) The formula forstandard deviation of a population (n)

B) The formula forstandard deviation of a sample (n -1)

C) A formula forvariance with (n – 2)

D) None of the above

Explanation / Answer

The data given is the sample of temratures in themonth of august. so, we have to use sample standard deviationformula which contain numerator (n-1) Hence, the answer is
B) The formula for standard deviation of a sample (n -1)

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