It Is Always the Case That 50% of the Scores

question 173

True/False

It is always the case that 50% of the scores in a normal distribution occur above the mean and 50% of the scores occur below the mean.

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Definitions:

Proportion Of Successes

A statistical measure that calculates the ratio of successes in a set of observations to the total number of observations.

Z Test

Utilized to check for differences in the means of two populations, this statistical test requires that variances are known and that there is a considerable sample size.

Group 1

Typically refers to the first group or category in a study or classification system.

Sample Survey

A method used to gather information and data from a subset of a population to make inferences about the whole population without examining every individual.