Data Representation Quiz

A __________ is useful for comparing a part of a set of data to the whole.

• circle graph

• biased sample

• bar chart

• infographic

A __________ can be answered by collecting data.

• outlier

• hypothesis

• infographic

• statistical question

A random sample is the same as an __________.

• biased sample

• infographic

• outlier

• unbiased sample

A __________ is a sample in which members are not randomly selected.

• biased sample

• circle graph

• outlier

• random sample

An __________ is an extreme or rare occurrence of a value in a data set.

• infographic

• outlier

• skewed

• symmetrical

A distribution can be __________ to the left or the right.

• symmetrical

• skewed

• unbiased sample

• circle graph

A dot plot is __________ when most of the data are distributed around the centre and the two ends are evenly distributed.

• biased sample

• infographic

• symmetrical

• outlier

An __________ is a representation of data in a graphic format.

• infographic

• circle graph

• data table

• statistical question

• skewed

The table shows the sizes of T-shirts sold at a store in a month.

How many T-shirts were sold altogether that month?

• 800

• 1000

• 1200

• 1500

The store owner constructs a circle graph to represent the data in the table.

They made some mistakes.

Identify the mistakes.

• The sections

  representing small and medium

  need to be switched.

• The labels for sections representing small and large need to be switched.

• The labels for sections

  representing small and extra small

  need to be switched.

• The labels for sections

  representing medium and large

  need to be switched.