Algebra II.4.D.25 - Ruling Out Chance – Exit Ticket

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Use the following information to answer the questions below.

Answer the question.

What is the greatest possible value of Diff, and what selection of ping-pong balls for Group A corresponds to that value?

What is the smallest (most negative) possible value of Diff, and what selection of ping-pong balls for Group A corresponds to that value?

If these 6 observations represent the burn times of 6 candles (in minutes), explain what a Diff value of 6 means in terms of (a) which group (A or B) has the longer average burn time and (b) the amount of time by which that group’s mean exceeds the other group’s mean.

From EngageNY.org of the New York State Education Department. Grade Algebra II Mathematics Module 4, Topic D, Lesson 25. Internet. Available from https://www.engageny.org/resource/algebra-ii-modul...; accessed 21/Apr/2016.