Consider the following set of dependent and independent variables. Complete part

Question

Consider the following set of dependent and independent variables. Complete parts a through c below. y 9 11 14 14 19 24 26 33 X1 2 5 5 8 6 11 16 21 2 16 10 14 10 2 8 8 4 a. Using technology, construct a regression model using both independent variables. y (12 447) (1065)-03948)x2 Round to four decimal places as needed.) b. Test the significance of each independent variable usinga 0.05. Test the significance of x1. Identify the null and alternative hypotheses Hip, # 0 (Type integers or decimals.) Calculate the appropriate test statistic.

Explanation / Answer

Number of observations = 8

Hence,

Degrees of freedom = n - 2 = 8 - 2 = 6

For 6 degrees of freedom and 0.05 level of significance,

Critical values = -2.45, 2.45

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