Memory Tests Pre-test
A company is testing a video game that is
supposed to improve memory. The box
plots show the results of memory tests
given before and after playing the game.
Using this data, what is the most
reasonable answer to the question: Does
the game improve memory?
Post-test
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Scores (points)

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?