Harmonic mean cannot be calculated if any one of the values in the data is _____________?

Related Mcqs:

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

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

2. Combine mean calculated by different given mean is ________?

   A. n1x1 + n2x2x + _____ nuxu/n1 +n2 + ___ + nu
   B. n1x1 + n2x2x + _____ nuxu/x1 + x2 + ____ x4
   C. n1x1 + n2x2x + _____ nuxu/n1 + n2 + ___+ nu
   D. ∑n1x/x1

3. The Harmonic Mean of two number is ‘a’ and ‘b’ is given by ____________?

   A. a+b/2
   B. 2ab/a+b
   C. √ab
   D. None of these

4. The Harmonic Mean of any two numbers is________________?

   A. a+b2
   B. 2aba+b
   C. ab−−√
   D. a+b

5. The arithmetic mean _________ by 10 if 10 is added to all values?

   A. Decease
   B. Smaller
   C. Largest
   D. Increase

6. If the standard deviation of the values 2, 4, 6, 8 is 2.58, then the standard deviation of the values 4, 6, 8, 10 is_______________?

   A. 0
   B. 2.58
   C. 5
   D. 4.66
   E. 2.33

7. If the standard deviation of the values 2,4,6,8 is 2.33, then the standard deviation of the values 4,6,8,10 is_____________?

   A. 0
   B. 2.58
   C. 4.66
   D. 2.33

8. Primary data and _____________ data are same?

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

9. Arithmetic Mean is___________affected by extreme values?

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

10. Mean Deviation, Variance and Standard Deviation of the values 4, 4, 4, 4, 4, 4 is_________________?

    A. 4
    B. 8
    C. 2
    D. 12
    E. 0