1. | Give a set of 10 different numbers with a mean of 12. |
2. | List 6 numbers where the mean is greater than the median. |
3. | What two values could be added to the set if numbers below so that the mode is 15?
5 8 8 15 20 25 |
4. | The mean of the results of a quiz is 5.
The median is also 5 and the mode is 6.
The extremes of the 13 marks are 2 and 10.
|
| a) | List the marks that could produce these results. |
| b) | If a mark of 15 was added to the list, how would each of the following change? |
| | i. | the mean? |
| | ii. | the median? |
| | iii. | the mode? |
| | iv. | the extremes? |
5. | Explain why each of the following people might select the mean, median or mode in a set of data. |
| a) | A store owner deciding on what size shoes to order. |
| b) | Someone moving to a new city and looking at housing costs. |
| c) | Reporting the average score on a test. |