To draw a pie chart, we need to represent each part of the data as a proportion of 360, because there are \(360^{\circ}\) in a circle. For example, if 55 out of 270 vehicles are vans, we will ...

A pie chart can show collected data in sectors. Each sector can be labelled, or can be colour coded with a key. When drawing a pie chart, a protractor will be used to draw the angles accurately. Being ...

Now, Range = Highest value − Lowest value = (152 − 130) cm = 22 cm. 2. Organise the following marks in a class assessment, in a tabular form. Here, Sum of all the observations = 4 + 6 + 7 + 5 + 3 + 5 ...