MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
Mean of the data can be represented as x = \(\frac {\sum f i xi}{\sum fi}\). |
| A. | False |
| B. | True |
| Answer» C. | |
| 6. |
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. \(\frac {Product \, of \, the \, observations}{Number \, of \, observations}\) | |
| 7. |
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 | |
| 8. |
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 | |
| 9. |
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 | |