(Answered) Question thirsty researchers randomly assigned participants

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Question: Thirsty? Researchers randomly assigned participants either a tall, thin highball glass or a short, wide tumbler, each of which held 355 ml. Participants were asked to pour a shot into their glass. Did the shape glass make a difference in how much liquid they poured? Here are the summaries:

Highball tumbler

n 99 n 99

y¯ 42.2 ml y¯ 60.9 ml

s 16.2 ml s 17.9 ml

Test an appropriate hypothesis and state your conclusions. For assumptions and conditions that you cannot test, you may assume that they are sufficiently satisfied to proceed.

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