GCSE Secondary Maths Age 13-17 - Probability & Statistics: Bar Chart - Explained

The video tutorial explains how to interpret survey results on sports preferences and create a bar chart to represent the data. It covers the steps to draw the chart, including setting up axes, labeling, and using a key. The tutorial also demonstrates how to calculate the percentage of females in the survey without a calculator. It concludes with tips for ensuring accuracy and completeness in the task.

What activity did the most females prefer according to the survey?

• Running

• Swimming

• None of the above

• Cycling

What is the first step in setting up a bar chart?

• Drawing the bars

• Labeling the chart

• Creating a key

• Setting up the axes

How are males represented in the bar chart key?

• Vertical lines

• Horizontal lines

• Diagonal crosses

• Colored in

What is the maximum value on the vertical axis of the bar chart?

• 5

• 6

• 7

• 8

How many marks are awarded for correctly drawing all bars in the chart?

• Four

• Two

• Three

• One

What fraction represents the number of females in the survey?

• 18/30

• 12/30

• 15/30

• 20/30

What percentage of the survey participants are female?

• 55%

• 60%

• 65%

• 50%