One-Variable Data: Distributions and Measures of Center and Spread

SAT Math· difficulty 3/5

The data set {2,5,7,10,14}\{2, 5, 7, 10, 14\} has a median of 7. If the value 100 is added, the new median is:

  • A

    8.5

    check_circle
  • B

    7

  • C

    8

  • D

    10

Explanation

New set has 6 values: {2,5,7,10,14,100}\{2, 5, 7, 10, 14, 100\}. Median = avg of 3rd and 4th = (7+10)/2=8.5(7+10)/2 = 8.5.

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