Table 8.2
The Agricultural Extension Agent's Office has tracked fertilizer application and crop yields for a variety of chickpea and has recorded the data shown in the following table. Their staff statistician developed the regression model and computed the performance statistics displayed below the data.

-Use the information provided in Table 8.2. For every unit of fertilizer applied, the crop yield increases by:
A) 8.0 bushels.
B) 8.5 bushels.
C) 8.9 bushels.
D) 7.9 bushels.

Question

Table 8.2
The Agricultural Extension Agent's Office has tracked fertilizer application and crop yields for a variety of chickpea and has recorded the data shown in the following table. Their staff statistician developed the regression model and computed the performance statistics displayed below the data.
 
-Use the information provided in Table 8.2. For every unit of fertilizer applied, the crop yield increases by:
A) 8.0 bushels. 
B) 8.5 bushels. 
C) 8.9 bushels. 
D) 7.9 bushels.

Quizplus · Accepted Answer

According to the regression model, the slope of the line is 8.5, which means that for every unit of fertilizer applied, the crop yield increases by 8.5 bushels. Therefore, Choice B is the correct answer.

Table 8.2 the Agricultural Extension Agent's Office Has Tracked Fertilizer Application and Application