MCQOPTIONS
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MCQOPTIONS
This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Cost Accounting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A random variable X can take the values -1, 0 and 1 with respective probabilities 0.2, 0.5 and 0.3. The expected value of X is: |
| A. | 0.3 |
| B. | 0.5 |
| C. | 0.2 |
| D. | 0.1 |
| Answer» E. | |
| 2. |
The necessary diagram to compare among the various components or between a part and the whole is: |
| A. | Bar diagram |
| B. | Step diagram |
| C. | Pie diagram |
| D. | Histogram |
| Answer» D. Histogram | |
| 3. |
The measure of central tendency of a statistical data which takes into account all the data |
| A. | Median |
| B. | Mean |
| C. | Mode |
| D. | Range |
| Answer» C. Mode | |
| 4. |
For a symmetrical distribution first quartile and median are respectively 20 and 24. The third quartile of the distribution is |
| A. | 28 |
| B. | 26 |
| C. | 22 |
| D. | 32 |
| Answer» B. 26 | |
| 5. |
If the two regression coefficients are byx = - 0.4 and bxy = - 0.9 then the value of correlation coefficient (r) is |
| A. | 0.6 |
| B. | 0.65 |
| C. | - 0.6 |
| D. | - 0.65 |
| Answer» D. - 0.65 | |
| 6. |
For a frequency distribution coefficient of skewness = 0.6; mean = 172 and mode = 163. The value of the variance is |
| A. | 169 |
| B. | 215 |
| C. | 196 |
| D. | 225 |
| Answer» E. | |
| 7. |
Two unbiased coins are tossed simultaneously. The problem of getting a head and a tail is |
| A. | 1/4 |
| B. | 1/2 |
| C. | 1 |
| D. | |
| Answer» C. 1 | |
| 8. |
If two regression equations x + 5y = 13 and 3x 2y = 5, then the mean values of x and y are respectively. |
| A. | (2, 3) |
| B. | (3, 2) |
| C. | (4, 5) |
| D. | (5, 4) |
| Answer» C. (4, 5) | |
| 9. |
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 |
| A. | 9 |
| B. | 25 |
| C. | 36 |
| D. | 16 |
| Answer» E. | |
| 10. |
The frequencies of three class intervals 54 58, 59 63, 64 68 of a distribution are respectively 4, 8 and 12. The frequency density of the 2nd class is |
| A. | 1 |
| B. | 1.2 |
| C. | 1.6 |
| D. | 2 |
| Answer» E. | |
| 11. |
If for a symmetrical distribution 1st and 3rd quartiles are respectively 16 and 22, then the Median of the distribution is |
| A. | 20 |
| B. | 18 |
| C. | 24 |
| D. | 19 |
| Answer» E. | |
| 12. |
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 |
| A. | 8.4 |
| B. | 6.5 |
| C. | 7 |
| D. | 9 |
| Answer» B. 6.5 | |
| 13. |
Two variables x and y are given by the relation y = 3x 2. If the mode of x be 5, the mode of y will be |
| A. | 13 |
| B. | 10 |
| C. | 15 |
| D. | 9 |
| Answer» B. 10 | |
| 14. |
For a given frequency distribution C.V = 30%, variance = 36 and Pearson s Coefficient of Skewness = - 0.25, the mode of the distribution is |
| A. | 24 |
| B. | 20 |
| C. | 21.5 |
| D. | 24.5 |
| Answer» D. 24.5 | |
| 15. |
If the sum of squares of the deviations of 10 observations taken from mean 50 is 250, then C.V is |
| A. | 10% |
| B. | 12% |
| C. | 20% |
| D. | 15% |
| Answer» B. 12% | |
| 16. |
A.M of 40 observations of a variable is 25 and S.D is 4. The sum of squares of all observations is |
| A. | 25640 |
| B. | 26540 |
| C. | 24560 |
| D. | 26450 |
| Answer» B. 26540 | |
| 17. |
If A.M and the coefficient of variation of x are 6 and 50% respectively, then the variable of x is |
| A. | 3 |
| B. | 6 |
| C. | 9 |
| D. | 11 |
| Answer» D. 11 | |
| 18. |
The coefficient of skewness of a distribution is 0.4. Its S.D and mean are respectively 8 and 30. The mode of the distribution is |
| A. | 26 |
| B. | 26.2 |
| C. | 26.4 |
| D. | 26.8 |
| Answer» E. | |
| 19. |
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 |
| A. | 36 |
| B. | 32 |
| C. | 24 |
| D. | 28 |
| Answer» B. 32 | |