This video tutorial for Grade 12 students focuses on data handling, specifically the box and whiskers plot. It covers how to extract the five number summary from a box plot, compare interquartile ranges between two classes, and calculate the percentage of learners scoring above or below certain marks. The session concludes with a call to action for viewers to subscribe.

What is the main focus of this session?

• Exploring pie charts

• Learning about histograms

• Understanding box and whisker plots

• Introduction to data handling

What should you do if you haven't watched part one of the video?

• Start with part two

• Watch part one first

• Read the textbook

• Skip to the end

What is the first point in a five-number summary?

• Median

• Maximum

• Minimum

• Quartile 3

How do you find the minimum value from a box and whisker plot?

• Find the highest point

• Check the first point on the number line

• Look at the middle of the box

• Calculate the average

What does Q2 represent in a five-number summary?

• Maximum

• Quartile 1

• Median

• Minimum

What is the interquartile range for Class A?

• 9

• 5

• 14

• 12

How is the interquartile range calculated?

• Q3 minus Q1

• Median minus Minimum

• Q1 minus Q3

• Maximum minus Minimum

Which class has a larger interquartile range?

• Cannot be determined

• Both are equal

• Class B

• Class A

What percentage of learners in Class A scored more than 77%?

• 75%

• 50%

• 25%

• 100%

What does each section in a box and whisker plot represent?

• 50%

• 20%

• 25%

• 10%