Question: A regression model Y = B0 + B1x1 +B2x2 + B3x3 + has been fit to a sample of n = 25 observations. The calculated

A regression model Y = B0 + B1x1 +B2x2 + B3x3 + έ has been fit to a sample of n = 25 observations. The calculated t-ratios are as follows: for B1, t0 = 4.82, for B2, t0 = 8.21 and for B3, t0 = 0.98.
(a) Find P-values for each of the t-statistics.
(b) Using a = 0.05, what conclusions can you draw about the regressor x3? Does it seem likely that this regressor contributes significantly to the model?

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