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

Two Categorical Variables

Interactive practice questions

Mr. $Westwood$ asked the students in his class to pick whether they prefer swimming or cycling. He displayed the results in a two-way table.

	Boys	Girls
Swimming	$11$11	$14$14
Cycling	$7$7	$11$11

a

How many boys picked swimming?

b

How many girls picked cycling?

c

Did more boys prefer swimming or cycling?

$Swimming$

A

$Cycling$

B

Easy

Less than a minute

Miss $Merryweather$ recorded the hair type and colour of her students in the following graph.

Complete the two way table below.

Mr. $Tobit$ asked the students in his class to pick their favourite subject. He displayed the results in a two-way table.

$Yuri$ surveyed a group of people about the type of jobs they had. He recorded the data in the following graph.

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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

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