general math MCQ #12057

For the data set 5, 10, 15, 20, 25, 30, 35, 40 the Q1 (25th percentile) value is the average of 2nd and 3rd values: (10+15)/2 = 12.5

general math MCQ #12057

  1. Question 1

    Q1. For the data set 5, 10, 15, 20, 25, 30, 35, 40 the Q1 (25th percentile) value is the average of 2nd and 3rd values: (10+15)/2 = 12.5

    • A) 12.5
    • B) 15
    • C) 10
    • D) 20

    Answer: 12.5

    Explanation: For 8 values, Q1 is the average of the 2nd and 3rd values: (10+15)/2=12.5.