Chi-squared statistic used in testing hypotheses

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Reference no: EM133121158

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.

1. What is a correlation coefficient? What is the range of its possible values, and why?

2. How do you determine if a correlation coefficient is statistically significant?

3. In a simple regression, what is the coefficient of determination, and how is it interpreted?

Reference no: EM133121158

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