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Example 173

 

Example 173: Consider the following data:

X

1

2

3

4

5

6

7

Y

3

5

4

6

7

7

10

Find the least squares line Calculate SSE CalculateS2 Find a 95% confidence interval for the mean value of y whenx = 2.5 Find a 95% prediction interval for the value of y whenx = 4.6 Would it be wise to make a prediction interval for y when x = 10 ?

 

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