Pie Charts and Bar GraphsAugust 23, 2011

The Pie ChartSteps for making a

Pie ChartExample Pie Chart

Draw a circleChange the percent to a decimalMultiply the decimal by 360Measure out each piece (angle) of the chart to draw

Bar GraphSteps to make a

Bar Graph Example Bar Graph

Make a title and label the axis The vertical axis scale needs to be denoted and equalMake sure the bars are the same width but not touchingPut everything into categories

VocabularyO Add the next two words to your

vocabulary sheet and discuss with the people around you. You have 5 minutes to come up with the definitions.O Categorical VariableO Quantitative Variable

State Lotto Types

OMake a Pie Chart and Bar Graph of the State Lottery Sales by Type of Game.

Practice Problem

OAnswer problem 4.3 on page 207. Answer in complete sentences, and show your work.

OYou can either do a bar graph or pie chart. Make sure to make it look nice as you will be turning it in for credit.