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

Related Mcqs:

1. Arithmetic Mean is___________affected by extreme values?

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

2. Arithmetic mean is _________ by change of origin and scale of measurement?

   A. Vary
   B. Negative
   C. Affected
   D. Not affected

3. The arithmetic mean of 10,8,6,4, and 2 is ______________?

   A. 5
   B. 15
   C. 6
   D. 30

4. Arithmetic mean of two positive numbers “X” and “Y” is_________________?

   A. ab2
   B. 2a2
   C. (a+b)/2
   D. a−b2
   E. 2a+b

5. For a certain distribution if ∑(x−2)=18,∑(x−24)=0,∑(x−28)=−24) then arithmetic mean is_______________?

   A. 21
   B. 24
   C. 28
   D. 0

6. If 10% is added to each value of variable, the geometric mean of new variable is added by_______________?

   A. 5%
   B. 10%
   C. No Change
   D. 110%
   E. 90%

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

   A. Zero
   B. Negative
   C. Positive
   D. All sign

8. 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

9. 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

10. 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