Question

Sansa is designing an experiment to test whether a new fertilizer makes tulip grow faster. She is planing on using two groups of tulips plant with 20 plants in each group one group will be given gertlilizer and the other group not. What ia a control group/

A. the group that is given the fertilizer
B. the group that not given the fertilizer
c. the variable that sansa is changing
D the variable that sansa keeping the same

Answer 1

Controls are going to be the group that you are testing against; the one your variable is NOT applied to!