.Exhibit 17.3 . Consider the regression model, Humidity = ? 0 + ? 1 Temperature

Question

.Exhibit 17.3. Consider the regression model,
Humidity = ?0 + ?1Temperature + ?2Spring + ?3Summer + ?4Fall + ?5Rain + ?,
where the dummy variables Spring, Summer, and Fall represent the qualitative variable Season (spring, summer, fall, winter), and the dummy variable Rain is defined as Rain = 1 if rainy day, Rain = 0 otherwise.

Refer to Exhibit 17.3. What is the regression equation for the summer rainy days?

= (b0 + b3) + b1Temperature = (b0 + b5) + b1Temperature = b0 + b1Temperature + b2Spring + b4Fall = (b0 + b3+ b5) + b1Temperature Consider the regression model, Humidity = ?0 + ?1Temperature + ?2Spring + ?3Summer + ?4Fall + ?5Rain + ?, where the dummy variables Spring, Summer, and Fall represent the qualitative variable Season (spring, summer, fall, winter), and the dummy variable Rain is defined as Rain = 1 if rainy day, Rain = 0 otherwise. Refer to Exhibit 17.3. What is the regression equation for the summer rainy days?

Explanation / Answer

Answer: = (b0 + b3+ b5) + b1Temperature

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