What is the mean of the data set {2, 4, 6, 8, 10}?

Related Mcqs:

1. Primary data and _____________ data are same?

   A. Grouped
   B. Secondary data
   C. Ungrouped
   D. None of these

2. Data being used by an agency which is originally collected by them are _______ data?

   A. Quantitative
   B. Primary
   C. Discrete
   D. Secondary

3. Arithmetic Mean is___________affected by extreme values?

   A. Not
   B. Highly
   C. Less
   D. None of these

4. The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation ?

   A. 60.4%
   B. 48.3%
   C. 35.7%
   D. 27.8%

5. The mean deviation of the values, 18, 12, 15 is____________?

   A. 6
   B. Zero
   C. 3
   D. 2

6. The algebraic sum of deviations from mean is_____________?

   A. Maximum
   B. Zero
   C. Minimum
   D. Undefined

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

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

8. Second moment about mean is_______________?

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

9. If mean is 25 and standard deviation is 5 then C.V (Coefficient of variation) is_______________?

   A. 100%
   B. 25%
   C. 20%
   D. None of these

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

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