When is the chi-squared statistic used in testing hypotheses? Include underlying assumptions and the test stati
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● When is the chi-squared statistic used in testing hypotheses? Include underlying assumptions and the test statistic for testing hypotheses on a single population variance.
● What is a correlation coefficient? What is the range of its possible values, and why?
● How do you determine if a correlation coefficient is statistically significant?
● In a simple regression, what is the coefficient of determination, and how is it interpreted?
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