For a Normal Distribution with µ = 100 and σ

question 15

True/False

For a normal distribution with µ = 100 and σ = 20,the score that separates the top 60% of the distribution from the bottom 40% is X = 95.

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Definitions:

Range

The difference between the highest and lowest scores in a set of data, indicating the spread or variability of the dataset.

Distribution

In business, refers to the process of making a product or service available to the consumer or business user who needs it. In statistics, it describes the way in which values in a dataset are spread out.

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values from the mean.

Squared Deviation

A statistical measure showing the dispersion of data points. It represents the square of the difference between an observed value and the mean of the dataset.