The first moment about means is always_________________?

Related Mcqs:

1. Second moment about mean is_______________?

   A. Standard Deviation
   B. Variance
   C. Coefficient of Variation
   D. None of these

2. If the third moment about mean is zero then distribution is_______________?

   A. Mesokurtic
   B. Positively Skewed
   C. Symmetrical
   D. Negatively Skewed

3. First moment about origin is always equal to _______________?

   A. A.M.
   B. variance
   C. Zero
   D. None of these

4. The second moment about mean is _____?

   A. Variance
   B. Mean
   C. S.D.
   D. Mode

5. Second moment about mean is always equal to _____________?

   A. S.D.
   B. C.V.
   C. Variance
   D. Square

6. If third moment about mean is equal to zero, then distribution is ______________?

   A. Negatively skewed
   B. Symmetrical
   C. positively skewed
   D. None of these

7. N(µ, 2σ) means normally distribution with mean u and variance2σ then (3σ, 4) means _____________?

   A. 46
   B. 76
   C. 36
   D. 47

8. Geometric means of X1 and X2 is________________?

   A. X1+X2
   B. X1+X2x
   C. X1+X2−−−−−−−√
   D. X1×X2−−−−−−−√
   E. X1−−−√+X2−−−√

9. . If the occurrence of one event means that another cannot happen, then the events are _______________?

   A. Independent
   B. Mutually Exclusive
   C. Bayesian
   D. Empirical

10. Deciles means are 1/( )?

    A. 1000
    B. 10
    C. 100
    D. 10000