MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Find the number of observations if the sum of the observations is 37.4 and the mean of the observations is 6.23? |
| A. | 9 |
| B. | 7 |
| C. | 6 |
| D. | 4 |
| Answer» D. 4 | |
| 2. |
Find the sum of the observations if the mean is 23 and the number of the observations is 11? |
| A. | 283 |
| B. | 256 |
| C. | 293 |
| D. | 253 |
| Answer» E. | |
| 3. |
Find the sum of the observations if the mean is 143 and the number of observations is 8. |
| A. | 1148 |
| B. | 1344 |
| C. | 1244 |
| D. | 1144 |
| Answer» E. | |
| 4. |
What is the mean of 142, 143, 145, 158, 139? |
| A. | 135.4 |
| B. | 145.4 |
| C. | 0.23 |
| D. | 135.5 |
| Answer» C. 0.23 | |
| 5. |
What is the arithmetic mean of the observations 2, 8.2, 3, 9, 11.2, 4? |
| A. | 5.5 |
| B. | 8.45 |
| C. | 6.23 |
| D. | 7.1 |
| Answer» D. 7.1 | |
| 6. |
Mean of the data can be represented as = ( frac { sum f i xi}{ sum fi} ). |
| A. | False |
| B. | True |
| Answer» C. | |
| 7. |
What is the formula for the arithmetic mean? |
| A. | ( frac {Number , of , the , observations}{Sum , of , observations} ) |
| B. | ( frac {Sum , of , the , observations}{Number , of , observations} ) |
| C. | ( frac {Product , of , the , observations}{Number , of , observations} ) |
| D. | ( frac {Sum , of , the , observations}{Product , of , the , observations} ) |
| Answer» C. ( frac {Product , of , the , observations}{Number , of , observations} ) | |
| 8. |
What is Range? |
| A. | Largest value Smallest value |
| B. | Smallest value Largest value |
| C. | Mid value Average value |
| D. | Average value Mid value |
| Answer» B. Smallest value Largest value | |
| 9. |
Who is the pioneer that contributed to the development of statistics? |
| A. | Albert Einstein |
| B. | Lewis Capaldi |
| C. | Ronald Fisher |
| D. | Harold Fisher |
| Answer» D. Harold Fisher | |
| 10. |
What is statistics? |
| A. | Statistics is the collection of data |
| B. | Statistics is the collection, classification and interpretation of data |
| C. | Statistics is the classification of data |
| D. | Statistics is the interpretation of data |
| Answer» C. Statistics is the classification of data | |