omputer output for fitting a simple linear model is given below. State the value

Question

omputer output for fitting a simple linear model is given below. State the value of the sample slope for the given model. In testing if the slope in the population is different from zero, identify 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 Upper Y equals 86.2 minus 6.58 Upper X Predictor Coef SE Coef T P Constant 86.214 4.374 19.71 0.000 Upper X -6.5838 0.7682 -8.57 0.000 Sample slope: p-value: Is the model effective?

Explanation / Answer

Yes , model is effective, here p value is 0.000 which is less than significance level of 0.05 or 5%, so there is suffcient evidence that model is effective

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