Examlex
Compare the sampling distributions of the normally distributed test statistic z and the chi-square test statistic. Specifically, how do the sampling distributions differ in shape and range of values?
Goodness-of-Fit Test
A statistical test used to compare an observed distribution to an expected distribution, to check how well the observed data fits with a specific distribution.
Probability Distribution
A mathematical description that assigns probabilities to different outcomes of a random variable.
Chi-Square Distribution
The Chi-Square Distribution is a statistical distribution used for hypothesis testing and is derived from the sum of the squares of a set of normally distributed random variables.
Degrees of Freedom
The number of values in the final calculation of a statistic that are free to vary.
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