Question 8 - 11th Grade Mathematics: Statistics and Probability Practice Test for the SBAC

Read the attached description of a purchase decision process. How much did Rachel save by spending closer to the mean than spending closer to the median?

Rachel is going to buy a coffee-maker for her apartment. After some research she found 5 different coffee-makers for these prices:

$62.99
$77.99
$43.99
$17.99
$66.99

Her aunt advised her that spending about the median amount will be a good deal, while spending about the mean amount will just be average. After looking at the prices, she decided that average will be good enough.

$9
$13.00
$0 because the mean and median values are the same
$10.00

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