The sum of deviations of observations is zero, when deviations are taken from __________?

Related Mcqs:

1. Sum of deviations will be zero if it is taken from_________________?

   A. Mean
   B. Mode
   C. Median
   D. Standard Deviation

2. Suppose for 40 observations, the variance is 50. If all the observations are increased by 20, the variance of these increased observation will be______________?

   A. 50
   B. 70
   C. 50/20
   D. 50-20 = 30
   E. 50

3. Sum of obsolete deviations from _____ is least?

   A. Mean
   B. Median
   C. Harmonic
   D. Mode

4. In a distribution of 10, 20, 30, 40, 50, the x is 30, the sum of deviations from x will be:________?

   A: 60
   B: 30
   C: Zero
   D: 15

5. The sum of the deviations about the mean is always______________?

   A. Range
   B. Zero
   C. Total Standard Deviation
   D. Positive
   E. Negative

6. The sum of squared deviations of a set of n values from their mean is__________________?

   A. Zero
   B. Maximum
   C. Least
   D. None

7. If x is 4 and the distribution is 2, 3, 4, 5, 6, the sum of squared deviations from the x will be______________?

   A. 8
   B. 10
   C. 6
   D. 12

8. Absolute sum of deviations is minimum from _______________?

   A. Coefficient of variance
   B. S.D. of x
   C. Mean
   D. Normal

9. The sum of the squares of deviations is the least when measured from____________?

   A. A.M.
   B. Median
   C. Mode
   D. G.M.

10. The sum of absolute deviations from median is _____?

    A. Zero
    B. Positive
    C. Least
    D. None of these