MCQOPTIONS
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MCQOPTIONS
This section includes 71 Mcqs, each offering curated multiple-choice questions to sharpen your Business Statistics knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The value of Σfx is 180, A= 22, and width of class interval is 5, arithmetic mean is 120 then the observations are |
| A. | 59 |
| B. | 30 |
| C. | 39.5 |
| D. | 49.5 |
| Answer» C. 39.5 | |
| 52. |
If the mean of percentages, rates and ratios is to be calculated then the central tendency measure which must be used in this situation is |
| A. | weighted arithmetic mean |
| B. | paired arithmetic mean |
| C. | non-paired arithmetic mean |
| D. | square of arithmetic mean |
| Answer» B. paired arithmetic mean | |
| 53. |
The mean or average used to measure central tendency is called |
| A. | sample mean |
| B. | arithmetic mean |
| C. | negative mean |
| D. | population mean |
| Answer» C. negative mean | |
| 54. |
The arithmetic mean is 12 and the number of observations are 20 then the sum of all the values is |
| A. | 8 |
| B. | 32 |
| C. | 240 |
| D. | 1.667 |
| Answer» D. 1.667 | |
| 55. |
The arithmetic mean is 25 and all the sum of observations is 350 then the number of observations are |
| A. | 25 |
| B. | 70 |
| C. | 14 |
| D. | 75 |
| Answer» D. 75 | |
| 56. |
In the quartiles, the central tendency median to be measured must lie in |
| A. | first quartile |
| B. | second quartile |
| C. | third quartile |
| D. | four quartile |
| Answer» C. third quartile | |
| 57. |
The method used to compute average or central value of the collected data is considered as |
| A. | measures of positive variation |
| B. | measures of central tendency |
| C. | measures of negative skewness |
| D. | measures of negative variation |
| Answer» C. measures of negative skewness | |
| 58. |
The distribution whose outliers are higher values is considered as |
| A. | variable model |
| B. | right skewed |
| C. | left skewed |
| D. | constant model |
| Answer» C. left skewed | |
| 59. |
In arithmetic mean, the sum of deviations of all the recorded observations must always be |
| A. | two |
| B. | minus one |
| C. | one |
| D. | zero |
| Answer» E. | |
| 60. |
In a set of observations, the unusual lower and higher values are called |
| A. | outliers |
| B. | free liners |
| C. | central liners |
| D. | median liners |
| Answer» B. free liners | |
| 61. |
The measure which describes the detailed characteristic of whole data set is classified as |
| A. | average or central value |
| B. | positive skewed value |
| C. | negative skewed value |
| D. | positive extended value |
| Answer» B. positive skewed value | |
| 62. |
Considering all the observations of arithmetic mean, the sum of squares of deviations must be less than |
| A. | sum of multiples of other quantity |
| B. | sum of deviations from other quantity |
| C. | sum of squares from other quantity |
| D. | cumulative frequency from other quantity |
| Answer» D. cumulative frequency from other quantity | |
| 63. |
In a negative skewed distribution, the order of mean, median and mode is as |
| A. | mean<median>mode |
| B. | mean>median>mode |
| C. | mean<median<mode |
| D. | mean>median<mode |
| Answer» D. mean>median<mode | |
| 64. |
The mode is the best measure of tendency if the analysis is |
| A. | descriptive |
| B. | exploratory |
| C. | experimental |
| D. | set of deciles |
| Answer» B. exploratory | |
| 65. |
The manner in which the geometric mean, harmonic mean and arithmetic mean are related is as |
| A. | A.M>G.M>H.M |
| B. | A.M>G.M<H.M |
| C. | A.M<G.M<H.M |
| D. | A.M<G.M>H.M |
| Answer» B. A.M>G.M<H.M | |
| 66. |
The extent to which the values are dispersed around the central observation is considered as |
| A. | trailing |
| B. | variation |
| C. | extension |
| D. | centralized valuation |
| Answer» C. extension | |
| 67. |
In the two units of company, the employees in unit one are 650 and monthly salary is $2750, the employees in unit two are 700 and monthly salary is $2500 then the combined arithmetic mean is |
| A. | $2,620 |
| B. | $2,520 |
| C. | $2,420 |
| D. | $2,320 |
| Answer» B. $2,520 | |
| 68. |
At a manufacturing plant, the unit of quantity manufactured in 8 days are 250, 320, 240, 210, 260, 330, 310, 260 |
| A. | 210 |
| B. | 260 |
| C. | 240 |
| D. | 250 |
| Answer» C. 240 | |
| 69. |
The median, mode, deciles and percentiles are all considered as measures of |
| A. | mathematical averages |
| B. | population averages |
| C. | sample averages |
| D. | averages of position |
| Answer» E. | |
| 70. |
If the most repeated observations recorded are outliers of data then the mode is considered as |
| A. | intended measure |
| B. | percentage measure |
| C. | best measure |
| D. | poor measure |
| Answer» E. | |
| 71. |
The number of observations are 30 and the value of arithmetic mean is 15 then sum of all values is |
| A. | 15 |
| B. | 450 |
| C. | 200 |
| D. | 45 |
| Answer» C. 200 | |