Back to Compare two treatments from a randomized experiment — Problem 2 · Task Set 16

Exercises: Compare Two Treatments Using Re-Randomization Simulation

Work through each section in order. Show your work where indicated. For each significance decision, state the tail fraction and whether the result is significant, then interpret it.

Grade 11·23 problems·~45 min·Common Core Math - HS Statistics and Probability·group·hss-ic-b-5

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Recall / Warm-Up

To test whether a treatment had a real effect, we begin by assuming a model. What is the model we assume and test?

The treatment has no effect, so any observed difference is due only to the random assignment.

The treatment definitely has an effect equal to the observed difference.

The two groups had exactly equal outcomes.

The experiment was not randomized.