Back to Compare two treatments from a randomized experiment — Problem 4 · 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
Work through problems with immediate feedback
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Fluency Practice

1.

The dot plot shows 50 re-randomization differences built under the no-effect model. The observed difference is +4 points. (a) How many of the 50 shuffles produced a difference of +4 or more? (b) What fraction of shuffles is that (as a decimal)?

count of shuffles >= +4:
fraction as a decimal: