MAT201-Basic Statistics

posted by Pat

A dealership sold 15 cars last month. The purchase price of the cars, rounded to the nearest thousand, is represented in the table
Purchase Price/# of cars sold
$15,000 3
$20,000 4
$23,000 5
$25,000 2
$45,000 1
A.Find the mean and median
B. Which measures best represents the data? Use the results to support your answer.
C. What is the outlier and how does it affect the data?

  1. Goku

    Mean = (15000x3+20000x4...)/(3+4+5+2+1)
    = 22.33333
    Median = 23000

    Outlier would depend on what how you define it, but it would probably be 45000 and it'd affect the mean and standard deviation of the plot.

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