A researcher hypothesized that children's cholesterol levels maybe affected by educating their parents on proper nutrition andexercise. A random sample of 40 families with a child betweenthe ages of 10 to 15 who had been diagnosed with highcholesterol were recruited to participate in the study. All parentswere provided with educational information on nutrition andexercise. After following the prescribed program, the child'stotal cholesterol was measured. The children's (the sample)mean cholesterol level was 185 with a standard deviation of19.5. Is there significant evidence of that their cholesterol levelafter this intervention is lower than the population mean of 191?

Solution: Let X be the cholesterol level. From the given information, x-bar = 185, S=19.5 and n=40.

Answered: A researcher hypothesized that…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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