In the Normal Distribution, the Percentage of Scores That Fall

question 43

Multiple Choice

In the normal distribution, the percentage of scores that fall within one standard deviation of the mean is approximately:

• A) 34%
• B) 50%
• C) 68%
• D) 95%

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Definitions:

Z-score

A statistical measure that describes a value's relationship to the mean of a group of values, expressed in terms of standard deviations from the mean.

Sampling Distribution

The sampling distribution is a probability distribution of a statistic obtained by selecting all possible samples of a specific size from a population.

Sampling Distribution

A probability distribution of a statistic obtained from a large number of samples drawn from a specific population.

Mean

The average of a set of numbers, calculated by dividing the sum of all the values by the number of values.