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Q. 15

Introductory Statistics
Found in: Page 428
Introductory Statistics

Introductory Statistics

Book edition OER 2018
Author(s) Barbara Illowsky, Susan Dean
Pages 902 pages
ISBN 9781938168208

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Short Answer

Find the percentage of sums between 1.5 standard deviations below the mean and one standard deviation above the mean.

MEAN is used to calculate the entire data in statistical terms.

See the step by step solution

Step by Step Solution

Step 1: Given information


The sample size of forty is randomly drowned from cholesterol with mean180 and standard deviation20. The mean of sums is given as:



The sum that is1.5 the standard deviation below the mean of the 7010.26sum is given as;



The percentage for the sums between the standard deviation below the mean of sums and the standard deviation above the mean of the sum is 77.45%.

Step 2: Final answer

The percentage for the given standard deviation is 77.45%.

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