general math MCQ #12044

Standard deviation is the square root of:

general math MCQ #12044

  1. Question 1

    Q1. Standard deviation is the square root of:

    • A) Mean
    • B) Range
    • C) Median
    • D) Variance

    Answer: Variance

    Explanation: Variance measures the average squared deviation from the mean; standard deviation is defined as the positive square root of variance.