Understanding Pictographs and Blood Type Data

The video tutorial explains how to interpret a pictograph, which uses images to represent data. It demonstrates how to calculate the number of survey respondents with different blood types, specifically A positive, O positive, and O negative, using a pictograph where each image represents 8 people. The tutorial provides step-by-step calculations for each blood type, emphasizing the importance of understanding the scale of the pictograph.

What is a pictograph used for?

• To represent data with graphs

• To represent data with numbers

• To represent data with text

• To represent data with pictures

In the given pictograph, what does each blood drop symbolize?

• 10 people

• 1 person

• 4 people

• 8 people

How many people are represented by 7 blood drops in the pictograph?

• 64 people

• 56 people

• 72 people

• 48 people

How many blood drops represent the O positive blood type?

• 5 drops

• 8 drops

• 6 drops

• 7 drops

How many people have O positive blood type according to the pictograph?

• 64 people

• 72 people

• 56 people

• 48 people

How many blood drops represent the O negative blood type?

• 3 drops

• 2 drops

• 4 drops

• 1 drop

How many people have O negative blood type according to the pictograph?

• 8 people

• 20 people

• 12 people

• 16 people