Question

in a randomized experiment, if there are large differences in outcomes among the treatment groups, we can conclude that the differences are due to a ice storms b dishonest data manipulation c the treatments d luck

Explanation:

In a randomized experiment, subjects are randomly assigned to treatment groups, which balances out other confounding factors. Large outcome differences between groups are therefore attributed to the treatments themselves, as randomization eliminates systematic bias from other variables.

Answer:

C. the treatments