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

The video tutorial explains how to interpret and analyze box plots, focusing on the Winter Olympic Games data since 1948. It covers identifying key components like the median, lower and upper quartiles, and calculating the interquartile range. The tutorial also compares distributions of Winter and Summer Olympic Games, emphasizing the importance of context in data interpretation.

What is a box plot also known as?

• Box and whisker plot

• Pie chart

• Histogram

• Line graph

Which part of the box plot represents the median?

• The left whisker

• The right whisker

• The line inside the box

• The top of the box

How is the interquartile range calculated?

• Dividing the median by two

• Adding the lower and upper quartiles

• Subtracting the smallest data point from the largest

• Subtracting the lower quartile from the upper quartile

What is the interquartile range if the upper quartile is 71 and the lower quartile is 35?

• 35

• 71

• 106

• 36

In comparing the medians of the Summer and Winter Olympic Games, which is higher?

• Both are equal

• Winter Games

• Cannot be determined

• Summer Games

What is the range of the Summer Olympic Games data?

• 60

• 71

• 145

• 37

Which of the following statements is true about the spread of data in the Summer and Winter Olympic Games?

• Winter Games have a greater spread

• Summer Games have a greater spread

• Spread cannot be compared

• Both have the same spread