__7.1b Mode__

**Mode**is the observation which has the

**highest frequency**in a set of data.

**Example:**

Find the mode for each of the sets of data given below.

**(a)**15, 18, 21, 25, 20, 18

**(b)**3, 6, 9, 11, 17

**(c)**0, 1, 2, 7, 3, 2, 1, 1, 2, 1, 2

*Solution:***(a)**The mode is 18. ← (18 occurs 2 times)

**(b)**Does not have a mode.

**(c)**The modes are 1 and 2. ← (Both numbers occur 4 times)