Refer to the following partial ANOVA results from Excel (some information is missing). The response variable wasY= maximum amount of water pumped from wells (gallons per minute).

Source of Variation SS df MS F

Depth of well 2450 2 1225

Age of wel l364.667 3.8371

Interaction 32.667 4 0.1719

Error 855.333 18 47.519

Total 3702.667 26

TheFstatistic for depth of well is

a. 25.78.

b. 25.06.

c. 25.31.

d. 25.23.