Q159
The variance is 1. directly proportional to the average squared difference between all pairs of observations. 2. smallest when calculated from the mean. 3. denoted by symbol cr. 4. described as the dispersion of the distribution. Which of the statements given above is/are correct?
A.
1, 2 and 4
AnswerB.
1, 2 and 3
C.
2, 3 and 4
D.
All of these
Answer: Option A
Solution
Answer: Option A
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