The U.S. Department of Transportation reported the accompanying data on the numb

Question

The U.S. Department of Transportation reported the accompanying data on the number of speeding-related crash fatalities during holiday periods for the years from 1994 to 2003. Compute the standard deviation for the New Year's Day data. (Round the answer to three decimal places.) Without computing the standard deviation of the Memorial Day data, determine whether the standard deviation for the Memorial Day data would be larger or smaller than the standard deviation of the New Year's Day data. larger smaller

Explanation / Answer

(a) We have given the number of speeding-related crash fatalities during holiday periods for years from 1994 to 2003.

So we have given ALL data in year between 1994 to 2003

that is we have given population, so we have to find populations standard deviation.

We can find it easily using Excel, first enter data in excel.

Use command = STDEVP(Select data)

We get standard deviation = 47.415

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