## Stats multiple choice from books chapter

**1. ___________ is the central value of an array data.**

A. Mean

B. median

C. mode

D. Harmonic mean

**2. When deviations are taken from median sum of absolute deviation of the value is_______________**

A. Zero

B. Minimum

C. Maximum

D. more than zero

**3. It is impossible to find ____________ if the values have same numbers in a series.**

A. Median

B. mode

C. Mean

D. weighted mean

**4. A distribution having two modes is called**

A. Symmetrical

B. Bi modal

C. Multi modal

D. uni modal

**5. If mode is greater than mean then the distribution is**

A. symmetrical

B. positively skewed

C. Negatively Skewed

D. None of these

**6. The relationÂ between mean, median and mode for a unimodal distribution is _________________**

A. mean >median>mode

B. mean<median<mode

C. Mean=median=mode

D. mean<median>mode

**7. Which mean is use for calculating average rate of debt growth for a company ?**

A. Arithmetic mean

B. Weighted mean

C. Harmonic mean

D. Geometric mean

**8. Which one from the following average is suitable for qualitative data?**

A. Median

B. mode

C. Mean

D. weighted mean

**9. for computing mean of a grouped data the major assumption we make is_________**

A. All values are discrete

B. No value occurs more than once

C. Each class contains exactly the same number of values

D. Every value in a class is equal to the midpoint

**10. By the change of ______________ measures of dispersion are changed.**

A. origin

B. scale

C. Algebra Sign

D. none of these

**11. When deviations are taken from __________ sum of absolute deviation of the value is least.**

A. Median

B. mode

C. Mean

D. weighted mean

**12. Which is the most commonly used measures of dispersion in quality control of manufactured items?**

A. Mean deviation

B. standard deviation

C. Quartile deviation

D. range