Construct a prediction interval for y

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Reference no: EM131402998

Learning the mechanics. Consider the eight data points shown in the table.

x

-4

-2

0

2

4

6

8

10

y

-12

-7

0

6

14

21

24

31

(a) Fit a straight-line model through the origin; i.e., fit E(y) = β1x.

(b) Calculate SSE, s2, and s.

(c) Do the data provide sufficient evidence to indicate that x and y are positively linearly related?

(d) Construct a 95% confidence interval for β1.

(e) Construct a 95% confidence interval for E(y) when x = 7.

(f) Construct a 95% prediction interval for y when x = 7.

Reference no: EM131402998

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