The Following Regression Output Was Obtained From A Study Of Architectural Firms The Dependent Variable Is The Total Am 1 (40.24 KiB) Viewed 27 times
The Following Regression Output Was Obtained From A Study Of Architectural Firms The Dependent Variable Is The Total Am 2 (19.36 KiB) Viewed 27 times
The following regression output was obtained from a study of architectural firms. The dependent variable is the total amount of fees in millions of dollars Predictor Constant X1 X2 x3 X4 X5 Coefficient SE Coefficient 7.987 2.967 8.122 0.031 -1.120 0.053 -0.063 8.039 0.523 0.142 -0.865 0.040 2.690 3.920 -2.270 -1.610 3.690 -1.620 p-value 0.010 0.000 0.028 8.114 0.001 0.112 Analysis of Variance Source Regression Residual Error • Total DF 5 46 51 SS 371,000 2,647.38 6,357.38 MS 742 57.55 F 12.89 p-value e.ee X is the number of architects employed by the company *z is the number of engineers employed by the company Xy is the number of years involved with health care projects Xals the number of states in which the firm operates xs is the percent of the firm's work that is health care-related a. Write out the regression equation (Negative answers should be indicated by a minus sign. Round your answers to 3 decimal places.) X + b. How large is the sample? How many independent variables are there? Sample
d-3. For each variable, make a decision about the hypothesis that the coefficient is equal to zero. X1 | x2 X3 X4 X5
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