Using 50 observations, the following regression output is obtained from estimating y = 0 +
Question:
Using 50 observations, the following regression output is obtained from estimating y = β0 + β1x + β2d1 + β3d2 + .
a. Compute y̅ for x = 250, d1 = 1 and d2 = 0; then compute y̅ for x = 250, d1 = 0 and d2 = 1.
b. Interpret d1 and d2. Are both dummy variables individually significant at the 5% level? Explain.
Transcribed Image Text:
Standard Coefficients Error tStat p-value Intercept -0.61 0.23 -2.75 0.0074 3.12 1.04 3.01 0.0034 -13.22 15.65 -0.85 0.4006 da 5.35 1.25 4.27 0.0000
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Essentials Of Business Statistics Communicating With Numbers
ISBN: 9780078020544
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