Create and interpret dot plots

Interactive practice questions

A teacher made the following dot plot for the number of students in the class who had a dog and the number of students who had a cat.

a

How many students in the class have cats?

b

How many more students own cats than dogs?

c

How many students are there altogether in the class who own either a cat or a dog?

Easy
Less than a minute

A teacher made the following dot plot for the number of boys and girls in the class.

Mrs. Lee took a survey of the type of pets owned by her students.

Here is a dot plot of the number of goals scored in each of Bob’s soccer games.

Outcomes

S3-1

Conduct investigations using the statistical enquiry cycle: – gathering, sorting, and displaying multivariate category and wholenumber data and simple time-series data to answer questions;– identifying patterns and trends in context, within and between data sets; – communicating findings, using data displays

S3-2

Evaluate the effectiveness of different displays in representing the findings of a statistical investigation or probability activity undertaken by others.