A Typical Null Hypothesis with a Goodness-Of-Fit Test as Presented

question 19

Multiple Choice

A typical null hypothesis with a goodness-of-fit test as presented in the text might be

• A) the hypothesis that the means increase evenly across categories.
• B) the hypothesis that the representation in each category is equal.
• C) the hypothesis that subjects are normally distributed.
• D) the hypothesis that the expected values are uniformly large.

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Definitions:

SAT scores

Standardized test scores used primarily in the United States for college admissions, assessing reading, writing, and mathematical skills.

Normal distribution

A statistical distribution where data is symmetrically distributed around the mean, often represented as a bell-shaped curve.

Interval estimate

An estimate of a population parameter that provides a range of values believed to contain the parameter.

Degrees of freedom

In statistics, it relates to the number of values in the final calculation of a statistic that are free to vary.