STAT. FOR BEHAVIORAL SCIENCES WEBASSIGN
STAT. FOR BEHAVIORAL SCIENCES WEBASSIGN
3rd Edition
ISBN: 9781544317823
Author: PRIVITERA
Publisher: Sage Publications
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Chapter 6, Problem 1FP
To determine

Explain the meaning of “the normal distribution is symmetrical”.

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Symmetric distribution:

When the left and right sides of the distribution are approximately equal or mirror images of each other, then it is symmetric distribution. For this distribution, mean and standard deviation are useful. For a symmetric distribution, mean=median=mode.

In normal distribution, the values of mean, median and mode will locate at the same point and it will divide the distribution in to equal proportions. The graph of the distribution is bell-shaped curve, it means the proportions of left side values of the mean and right side values of the mean are equal.

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