How do we know if the experimental results are different due to the treatments or if the difference occurred purely by chance 1

Question

How do we know if the experimental results are different due to the treatments or if the difference occurred purely by chance 1 Below is a diagram that details how one group conducted an experiment to test if the long or short putter was better Use the diagram to describe how the experiment was conducted 20 randomly selected seniors 1 Random Assignment Group 1 10 Students Group 2 10 Students 1 Treatment 1 Long Putter Treatment 2 Short Putter Compare mean distance from hole Page

Kunduz · Accepted Answer

Click to see the answer