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CMA Foundation Exam: Fundamentals of Business Statistics Practice Test
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Test your knowledge of these Business Statistics topics. Together they form 60% of Business mathemetics & Statistics Exam.

- Statistical representation of Data 10%
- Measures of Central Tendency and Dispersion 30%
- Correlation and Regression 10%
- Probability 10% 

Related Test: CMA Foundation Exam: Fundamentals of Business Mathematics Practice Test

CMA Foundation Exam: Fundamentals of Business Statistics Practice Test
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25 Questions

1. If y = 3x + 30 and mean of x is 20, then the mean of y is
2. For a frequency distribution coefficient of skewness = 0.6; mean = 172 and mode = 163.The value of the variance is
3. Harmonic mean of a set of observations is the reciprocal of the arithmetic mean of the reciprocal values of the observations.
4. Out of total outlay 40,000 (crore) during an annual plan of a country, the central angle represented by education of amount Rs. x crore is 720. The value of x (in crore)is
5. The relation between A.M, G.M and H.M is expressed as A.M < G.M < H.M.
6. For two events A and B, P (A – B) = P (B – A).
7. Variance is always positive.
8. The 1st and 3rd quartiles of a frequency distribution are respectively 25 and 45. If the coefficient of skewness be – 0.1, then the median is
9. Standard deviation is a kind of relative measure of dispersion.
10. The regression equation of y on x is 3x – 5y = - 12 and regression equation of x on y is 2x – y = 7. The value of y when x = 10 is
11. Mode for a frequency distribution is calculated from Histogram.
12. Standard Deviation (S.D) for two observations 1 and 4 is
13. Skewness of a frequency distribution is defined as the measure of its extent of asymmetry.
14. (Class Frequency) / (Width of the Class) is defined as Frequency Density.
15. The Arithmetic Mean for the series 2, 6, 5, 7, 9, 4, 2 is
16. The necessary diagram to compare among the various components or between a part and the whole is:
17. The mean of five observations 5, 10, 15, 20, 25 is
18. The variance of first 5 natural numbers is
19. For a frequency distribution mean = 68.2; median = 69 and coefficient of skewness of the distribution is – 0.6. The variance of the distribution is
20. In a moderately skewed distribution, mode – 3, median + k mean. Then k = -2.
21. S.D is independent of change of scale, but is dependent on change of origin.
22. A variable x takes the values 10 and 20 with equal frequencies then the mean of x is 30.
23. Two dice are thrown simultaneously, the probability of obtaining a total sum 8 is
24. For a symmetrical distribution Mean ≠ Median ≠ Mode.
25. If the odds against an event 3:5, the probability of that event is

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