When the assumption of normality not met we go for__________?

Related Mcqs:

1. If in a sampling distribution of X the sample size is 25, what assumption must hold for the sampling distribution of X to be normal ?

   A. Population distribution is normal
   B. μ1 = μx
   C. Population distribution is uniform
   D. σx = σx /√n

2. Which of the following is an assumption underlying the use of the t-distribution ?

   A. The sample are drawn from a normally distributed population.
   B. The variance of the population is known
   C. All above
   D. s (sample standard deviation) is an unbiased estimate of the population variance.

3. If a distribution is abnormally tall and peaked, then is can be said that the distribution is_____________?

   A. Leptokurtic
   B. Pyrokurtic
   C. Platykurtic
   D. Mesokurtic

4. Standard deviation is calculated from the Harmonic Mean (HM) ________________?

   A. Always
   B. Sometimes
   C. Never
   D. None of these

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

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

6. Two digit random numbers are ________________?

   A. 2
   B. 10
   C. 99
   D. 100

7. E(ax + b) = A E(x) +___________________?

   A. (C)
   B. E(x)
   C. b E(a)
   D. b

8. In special rule of addition of probability, the events are Always:_______________?

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

9. In correlation, both variables are______________?

   A. Random
   B. Fixed
   C. Non-random
   D. Experimental

10. Which mean is most effected by extreme values?

    A. GM
    B. AM
    C. HM
    D. Median

    Submitted by: Nimra Shaheen