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Calculation of the correlation coefficient

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Reference no: EM13799810

1-Given the following set of paired data, calculate the correlation coefficient. Round your final answer to two decimal places.

x

6

9

12

15

23

y

11

5

1

6

3

2- Is there a correlation between x and y in Problem 1?  Use Table A-5 to help you to explain your answer.  Don't just say yes or no!

3-Find the equation of the regression line for the data in Problem 1.

Round your slope and y-intercept to three decimal places.

4-Use your regression line equation to predict the value of y for x = 13.Round your answer to two decimal places.

5-Does it make sense to use the regression line to make predictions for the data in Problem #1?  Explain.

Reference no: EM13799810

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