Question
Verbal Reasoning Question on Statements and Inferences
Read the statements about measures of central tendency and dispersion carefully and identify the correct statements.
A. Mean deviation is always calculated from mode only.
B. Value of mean deviation is not based upon all the items (observations) of the data.
C. Variance is defined as the arithmetic mean of the squared deviation from mean.
D. Variance is not normally used as a descriptive measure.
Choose the correct answer from the options given below:
A
A and B only
B
A and C only
C
B and D only
D
C and D only
Answer
C and D only
Explanation
Solution
The correct option is (D): C and D only.