Confidence interval for a regression coefficient

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 corresponding X values 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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