Use the 95% rule and the fact that the summary statistics come from a distribution that...

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Use the 95% rule and the fact that the summary statistics come from a distribution that...

Use the 95% rule and the fact that the summary statistics come from a distribution that is symmetric and bell-shaped to find an interval that is expected to contain about 95% of the data values. A bell-shaped distribution with mean 170 and standard deviation 25 . What is the interval?

math Statistics-And-Probability

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Answer 1

Answer #1

here from empirical rule 95% values are 2 std deviation from mean

hence 95% interval =mean/+2*std deviation =170-/+2*25 =120 to 220

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Answer 2

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