For a Chi-Square Goodness-Of-Fit Test for a Normal Distribution Using

question 7

True/False

For a chi-square goodness-of-fit test for a normal distribution using 7 categories with estimated mean and standard deviation, we would use the critical value for 4 degrees of freedom.

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Definitions:

Variance

A measure of the dispersion of a set of data points around their mean value, quantifying how much the data points differ from each other.

Standard Deviation

A measure that quantifies the amount of variation or dispersion of a set of numeric values.

Test Statistic

A numerical measure that summarizes data from a sample to make inferences about a population parameter in hypothesis testing.

Variance

A measure of dispersion indicating how far individual values in a dataset are from the mean.