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Can a coefficient of determination be negative

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Reference no: EM131668007

Question: 1. Explain what it means when a correlation has an r 2 of 0.72.

2. Can a coefficient of determination be negative? Why or why not?

3. If the level of significance is 0.05 and the p-value is 0.06, what conclusion can you draw?

4. If there are 15 data points in a set of data, what is the number of degree of freedom?

Reference no: EM131668007

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