What is the correlation coefficient

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1. At the 95% significance level, is there significant evidence of a relationship between Weight in Pounds and Miles per Gallon? Be sure to include your null and alternative hypothesis statement and your conclusion. Include any Excel output in your answer.

2. What is the correlation coefficient and interpret its meaning in the context of this question?

3. What is the R-squared value and interpret its meaning in the context of this question?

4. Determine the regression equation generated in Excel. Use the equation to predict the miles per gallon for a vehicle that weighs 3200 pounds.

5. Based upon your answers above, provide a paragraph (3-4 sentence) conclusion that would be appropriate to explain to a senior executive (who isn't as familiar with statistics as you are!) why or why not using the regression equation to predict miles per gallon is a statistically sound idea.

Reference no: EM133023461

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