Statistics: Working with Confidence Intervals – #130


Question: Use following data to:

? Draw scatter plot

? Find coefficient of correlation and test significance at the .05 level

? Find regression line

? Predict y’ for x=5

? Find coefficients of determination and non-determination

? Find standard error of estimate

? Find the 95% confidence interval for number of alcoholic drinks of x=5

Number of alcoholic drinks-x

2

1

3

4

2

1

5

6

Score on a dexterity test – y

15

18

11

7

10

16

4

2

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