The Normality Assumption States That the Population of X and Y

question 23

Multiple Choice

The normality assumption states that the population of X and Y scores form a bivariate ("two variable") normal distribution,such that

• A)the population of X and Y scores are normally distributed
• B)for each X score,the distribution of Y scores is normally distributed
• C)for each Y score,the distribution of X scores is normally distributed
• D)all of the above

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Definitions:

Lower Quartile

The median of the lower half of a data set, marking the 25th percentile.

Test Scores

Numeric representations of an individual's performance on a standardized test.

Refrigerators

Appliances used for keeping food and drinks cold.

Range

Range in statistics refers to the difference between the highest and lowest values in a dataset, indicating the spread of the data.