# Statistics

**Sample question:** The mean of seven numbers is 15. When three numbers are added, the mean of ten numbers become 12. Find the mean of the three numbers

**Guide:**

- Review the concept of Statistics in your textbook.
- Download the file below and practice problem solving.

*Don’t forget to do step 1*

File | Scope | Subject | |
---|---|---|---|

Statistics | Objective and Subjective Tests | General Math | Download |

Statistics | Objective and Subjective Tests | Further Math | Download |