Find the mean for the following.

$15, 20, 25, 30, 35$

Find the mean for the following.

First $10$ multiples of $3$.

$3, 6, 9, 12, 15, 18, 21, 24, 27, 30$

Find the mean for the following.

$3.8, 4.2, 3.3, 3.7, 4.0, 3.7, 4.0, 3.9, 4.4, 4.4.$

Find the mean for the following.

$65, 61, 65, 39, 53, 66, 62, 55.$

Rekha obtained the following scores (out of $100$) on a set of maths tests.

$88, 92, 95, 80, 55, 100.$ What is her mean score?

Arun and deepak sat for six tests. Their percentage scores were:

Who has higher mean score.

The heights of $17$ girls were measured ( in cm ) and the results were as follows:

$143, 148, 135, 150, 128, 139, 149, 146, 132, 151, 142, 144, 156, 140, 136, 142, 133.$

What is the height of the tallest girl?