Question

A fertilizer company was testing two new fertilizers for flowers. On adjacent pieces of land, marigold flowers were planted in three sections. A different fertilizer was used on two sections and one section served as a control. The heights of the 50 marigolds for each test group was recorded in centimeters. “A fertilizer” mean hieght=12.1 and Standard deviation= 2.91. The “control fertilizer” mean=9.6 and standard deviation=2.2. Using these data, estimate the effect of fertilizer A on marigold growth (estimate the mean height of the population of marigolds using fertilizer A)

Answer 1