The bar chart shows the number of children per family in a selection of families.

Describe the skew.

The bar chart shows the number of children per family in a selection of families.

Write down the mode of the distribution.

The bar chart shows the number of children per family in a selection of families.

Find the mean number of children per family, to the nearest tenth.

The histogram represents the ages of the people in a village.

How many people are there in the village?.

The histogram represents the ages of the people in a village.

The modal class of the distribution is given by $a<x\le b$, then find $a$.

The histogram represents the ages of the people in a village.

Find the mean age.(Answer upto two decimals).

If the mode of this set of numbers is $2$ and the mean is $5$ , find the sum of the values of $a$ and $b$.

$1,2, a, 4,5,6, b, 8,10$

The mean of $8, x, 17,2 x+3$ and $45$ is $23$ . Find the value of $x$.

The mean of $8, \mathrm{x}, 17,2 \mathrm{x}+3 \mathrm{and} 45 \mathrm{is} 23$. Find the value of $x$.