Tell whether the statement is true or false:
(i) The mode is always one of the numbers in a data.
(ii) The mean can be one of the numbers in a data.
(iii) The median is always one of the numbers in a data.
(iv) A data always has a mode.
(v) The data 6, 4, 3, 8, 9, 12, 13, 9 has mean 9.

Explanation

Let's analyze each statement step by step and determine whether they are true or false.

### Statement Analysis:

**(i) The mode is always one of the numbers in a data.**

- **Explanation:** The mode is defined as the number that appears most frequently in a data set. Since the mode is derived from the existing numbers, it must be one of those numbers.
- **Conclusion:** This statement is **True**.
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