PSAT/NMSQT Exam Prep

Category - Preliminary SAT/National Merit Scholar Qualifying Test Prep

What is the mean for the following expenditures? $79.84, $278.99, $342.16, $466.25, $111.39, $502.47, $98.12
  1. $278.99
  2. $268.46
  3. $354.22
  4. $317.54
Explanation
Answer: B - The mean for the data set above is $268.46. The median or middle number when the numbers are in ascending order ($79.84, $98.12, $111.39, $278.99, $342.16, $466.25, $502.47) is $278.99.
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