Basic Statistics Mcqs

The Harmonic Mean of any two numbers is________________? A. a+b2B. 2aba+b C. ab−−√ D. a+b

Which of the following Measure of averages is affected by extreme (very small or very largE. values in data set? A. Geometric Mean B. MedianC. Arithmetic Mean D. Harmonic Mean E. Mode

Geometric means of X1 and X2 is________________? A. X1+X2 B. X1+X2x C. X1+X2−−−−−−−√D. X1×X2−−−−−−−√ E. X1−−−√+X2−−−√

Which of the following Measure of Averages is not based on all the values given in the data set? A. Arithmetic Mean B. Geometric Mean C. Median D. ModeE. Both C. and D.

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%

The Geometric Mean of -2, 4, 03, 6, 0 will be______________? A. -3 B. 0 C. 3D. Cannot be Computed E. None of these

Which of the following cannot be less than zero (negative)? A. MedianB. Geometric Mean C. Arithmetic Mean D. Harmonic Mean E. Mode

If any of the value in data set is zero then it is not possible (i.e. impossiblE. to compute_______________? A. Mode B. Median C. MeanD. Harmonic Mean E. Geometric Mean

Data must be arranged either in ascending or descending order, if some wants to compute____________? A. Mode B. Median C. Harmonic Mean D. Geometric MeanE. Median

2nd Quartile = 5th Decile = 50th Percentile = ? A. ModeB. Median C. Mean D. Geometric Mean E. Harmonic Mean