Statistics

Categorical Data II (collecting and displaying)

Two Categorical Variables

Create and interpret pictographs (multiples per picture)

Create and interpret tables I

Create and interpret tables II

Create and interpret dot plots

Create and interpret line graphs (whole number axis)

Create and interpret column or bar graphs

Data in the Media

Points of View (Investigation)

Collecting Data - A personal investigation

Level 3

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 dot plot representing the number of students who had a dog and cat is presented. The horizontal axis is labeled "Cat" and "Dog." Red dots represent the number of students. There are $4$4 red dots on Dog, and $7$7 red dots on 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

< 1min

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

Easy

1min

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

Easy

< 1min

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

Easy

1min

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.

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