# ( Best 225+ ) Business Statistics MCQ ## 161. The component of time series useful for long term forecasting is

A. Secular trend

B. Seasonal variation

C. Cyclical variation

D. Irregular variation

A. linear

B. non linear

C. curvy

D. wavy

A. best fit

B. fit best

C. best neutral

D. nonlinear fit

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A. 40%

B. 50%

C. 60%

D. None of these

## 165. The averages are affected by change of:

A. Origin

B. Scale

C. Origin and Scale

D. None of Above

## 166. When the values in a series are not of equal importance, we calculate the:

A. Arithmetic mean

B. Geometric mean

C. Weighted mean

D. Mode

A. True

B. False

C. none

D. all

A. P10

B. P5

C. P50

D. P90

## 169. A furniture retail chain operates several stores across the country. A table is to be constructed to showing the number of employees in each region, organized into groups. Which of the following sets of categories would NOT be suitable for use in such a table?

A. 0 – 10, 11-20

B. 0 to less than 10, 10 to less than 20

C. 0-10, 10-20

D. 0 up to 10, 10 up to 20

## 170. The cumulative frequency for a particular class is equal to 35. The cumulative frequency for the next class will be .

A. equal to 65.

B. 35 minus the next class frequency.

C. less than 35.

D. 35 plus the next class frequency.