A manager of a grocery store wants to determine if consumers are spending
more than the nation...
Mathematics, 31.05.2020 05:01 ijade07
A manager of a grocery store wants to determine if consumers are spending
more than the national average of $150 with a standard deviation of $30. The
manager collects 10 random receipts and finds that the average customer
spends $160. He then concludes that his customers do spend more than the
national average. a) What do you see as his error in this assumption? b) How
could you redesign the study to correct it?*
Your answer
How can understanding normal distributions help us interpret test scores and
other real-life data? *
Your answer
How can we decide if an event that seems weird is actually unusual or fairly
likely?
Answers: 1
Mathematics, 21.06.2019 19:00, tylerwayneparks
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