Alpha Geek

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Category > Statistics Posted 01 Jun 2017 My Price 6.00

Is the observed relationship statistically significant? Explain.

The UCDavis1 dataset on the companion website includes grade point averages and self-reported hours per week of watching television for students in a statistics class. In a simple linear regression for the relationship between y = grade point average and x = hours per week of television watching, the p-value is .552 for testing H0: β1 = 0 versus Ha: β1 ≠ 0.

a. Is the observed relationship statistically significant? Explain.

b. What is the p-value for testing the null hypothesis that the correlation between the variables is 0 in the population represented by the sample? Assume a two-sided alternative hypothesis.

Answers

Alpha Geek
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Status NEW Posted 01 Jun 2017 04:06 PM My Price 6.00

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