Test for the significance of the slope

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Reference no: EM1314435

Below you are given a partial computer output based on a sample of 21 observations, relating an independent variable (x) and a dependent variable (y).

Predictor

Coefficient

Standard Error

Constant

30.139

1.181

X

 -0.252

0.022

 

Analysis of Variance

SOURCE

SS

Regression

1,759.481

Error

   259.186

a) Develop the estimated regression line.

b) At α = 0.05, test for the significance of the slope.

c) Determine the coefficient of determination.

d) Determine the coefficient of correlation

Reference no: EM1314435

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