Unit 5: Data and Graphs Pre-Assessment

Which graph displays data using a circle divided into sectors.

• circle graph / pie chart

• bar graph

What are sectors in a pie chart?

• The different colored pieces

• The different bars

Each sector is represented by a ___________.

• percent

• picture

• bar

Which graph displays data by using bars of equal width on a grid?

• scatterplot

• bar graph

In a bar graph, the bars may be ________ or _________.

• vertical or wide

• horizontal or vertical

• horizontal or tall

Bar graphs are used for comparisons.

• False

• True

What do pictographs use to display data?

• pictures and lines

• pictures and symbols

Each symbol or picture in a pictograph can only display ONE object.

• True

• False

What does a key on a graph do?

• it opens doors

• it tells you what a symbol means

A scatterplot is...

• a graph of data that is a set of points.

• a graph of data that has bars instead of points