Circle Graphs(a.k.a. Pie Charts)

Goal: I am learning to construct & interpret circle graphs.

Definition: Circle Graph

Def: Circle Graph: a type of graph used to compare parts of a whole. The entire graph represents the whole.

Ex1: The table shows when tornadoes occurred in the US from 1999 to 2001. Make a pie chart using this info.

Tornadoes in US, 1999-2001

January - March 15%

April - June 53%

July - September 21%

October - December

11%

Checkpoint: Draw a circle graph to represent the data below

How Often Teens Borrow a CD from Their Parents

Frequently 11%

Occasionally 34%

Never/Rarely 55%

Ex2: Make a circle graph using the information in the histogram below.

Ex3: Make a circle graph using the data in the table below. Round answers to nearest tenth.

Area (square miles) of the 5 Counties of Hawaii

Hawaii 4,028

Honolulu 600

Kalawao 13

Kauai 623

Maui 1,159

Ex4: Use the circle below to describe the makeup of the average game scores of 25 top scoring basketball players.

Homework & Closure Q

HW: p. 428-429, #6-15all, 17

Closure Q: Make the circle graph for the data from our Do Now Data