Bernard ran an experiment to test optimum power and time
settings for microwave popcorn. His goal...
Bernard ran an experiment to test optimum power and time
settings for microwave popcorn. His goal was to deliver popcorn
with fewer than 12%
of the kernels left unpopped, on average. He determined that
power 9 at 4 minutes was the best combination. To be sure that the
method was successful, he
popped 8 more bags of popcorn (selected at random) at this
setting. All were of high quality, with the percentages of
unpopped kernels shown below.
7.87.8, 5.85.8, 12.612.6,...
Cassie and Amir are trying to control the number of text
messages they send. They record...
Cassie and Amir are trying to control the number of text
messages they send. They record the number they send every day in
April.
Cassie:
22, 21, 24, 20, 31, 19, 13, 23, 16, 12, 17, 15, 14, 11, 8, 24,
19, 14, 19, 27, 22, 26, 25, 20, 24,
I 8, 28, 12, 18, 22
Amir: 12, 8, 9, 3, 2, 12, 33, 28, 32, 28, 29, 13, 16, 14, 30,
26, 31, 32, 32, 13, 16, 26, 18,...