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Find the sample slope for the given model

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Question

Find the sample slope for the given model. In testing if the slope in the population is different from zero, find the p-value and use it (and a 5% significance level) to make a clear conclusion about the effectiveness of the model.

The regression equation is Y=80.7-0.0128X.

Predictor Coef SE Coef T P

Constant 80.72 11.58 6.97 0.000

X -0.01278 0.01065 -1.20 0.245

Sample slope:

p-value:

Is the model effective?

Reference no: EM132386695

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