Question: Homework: Ch 8.5 Dummy Variable & L... Question 1, 14.6.38-T Part 1 of 6 HW Score: 1.82%, 0.09 of 5 points Points: 0 of 1

Homework: Ch 8.5 Dummy Variable & L... Question 1, 14.6.38-T Part 1 of 6 HW Score: 1.82%, 0.09 of 5 points Points: 0 of 1 Save Suppose X, is a numerical variable and X, is a dummy variable with two cutogories and the regression equation for a simple of n 22 is 9 = 3-4x+2X a. Interpret the regression coefficient associated with variable b. Interpret the regression coefficient associated with variable c. Suppose that the latar tot statistic toxtonting the contribution of variable X, n 247. At the 0.05 level of significance, is there evidence that variable X, makes a sgrificant contribution to the model? GELEERD a, interpret the regression coofficient associated with variable X Holding constant the effect of for each increase of one unit in the predicted mean value of Y by a positive change of unit(o)

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