Confidence interval for a regression coefficient

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Reference no: EM1315551

A) State your conclusions in terms of the problem.

B) Construct the 95% confidence interval for β.

C) Determine the p value for each test.

D) Arrange the residuals in the order of their correspondingvalues and sketch the relationship.

The following table shows the hardness (in Brinell hardness numbers) and the tensile strength (in thousands of pounds per square inch) of ten specimens of a certain alloy.

Hardness (X)

20

30

40

50

60

70

80

90

100

25

Tensile strength (Y)

10

16

22

30

35

40

45

50

60

15

Reference no: EM1315551

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