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

The video tutorial explains how to interpret a histogram showing the ages of sports club members. It focuses on calculating the number of members over 50 years old and determining how many of them are female. The tutorial emphasizes the principle that the area of a histogram bar represents frequency. It guides viewers through calculating frequencies for specific age groups and finding the percentage of female members. The tutorial concludes with a breakdown of how marks are awarded for solving the problem.

What percentage of the sports club members are over 50 years of age?

• 10%

• 20%

• 40%

• 30%

What does the area of a bar in a histogram represent?

• The age range

• The frequency

• The width of the bar

• The height of the bar

How many people are in the age bracket of 60 to 90?

• 21

• 50

• 14

• 35

What is the frequency density used to calculate the number of people aged 60 to 90?

• 0.7

• 0.5

• 1.4

• 1.0

How many people are in the age bracket of 50 to 60?

• 10

• 35

• 14

• 21

What is the total number of people over 50 years of age in the sports club?

• 14

• 50

• 21

• 35

How many female members are estimated to be over 50 years of age?

• 5

• 7

• 14

• 10