Home / Unit-11 Basic Statistics / Question
MCQ
Standard deviation is always:
Unit-11 Basic Statistics
A Non-negative
B Negative
C An imaginary number
D Zero
Explanation

Standard deviation is the square root of a variance, so it can never be negative.

Related MCQs

The standard deviation of the data 4, 8, 12, 16 is approximately:
Unit-11 Basic Statistics View
Statistics is the branch of science which deals with:
Unit-11 Basic Statistics View
The class mark (midpoint) of the class interval 35-45 is:
Unit-11 Basic Statistics View
The mode of the data 1, 1, 2, 2, 2, 3, 3, 3, 3 is:
Unit-11 Basic Statistics View
The standard deviation of the data 2, 4, 6, 8 is approximately:
Unit-11 Basic Statistics View
The variance of the data 3, 5, 7, 9, 11 is:
Unit-11 Basic Statistics View