Ms. Drake 7th grade Math Measures of Central Tendency Lesson 6 Circle Graphs.

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Presentation transcript:

Ms. Drake 7th grade Math Measures of Central Tendency Lesson 6 Circle Graphs

Week by Week Essentials = &pageId= Go to: Resources for Mathematics: Grade 7 (2003 SCS) Week by Week Essentials

Measures of Central Tendency Vocabulary Bar graph Box- and-Whisker Plot Circle Graph Cumulative Frequency Double Bar Graph First Quartile Frequency Table

Measures of Central Tendency Vocabulary Histogram Line Graph Lower Extreme Mean Median Mode Negative Correlation No correlation

Measures of Central Tendency Vocabulary Outlier Population Positive correlation Random Sample Range Sample

Measures of Central Tendency Vocabulary Scatter Plot Second Quartile Sector Stem-and-Leaf Plot Third Quartile Upper Extreme

Circle Graph A circle graph, also called a pie chart, shows how a set of data is divided into parts.

A circle measures 360 degrees

The entire circle contains 100% of the data.

Each sector or slice of the circle represents one part of the entire data set.

A circle measures 360 and the sector makes up a part of the 100% of the circle. To find the measure of the angle you must set up a proportion.

Interpreting A Circle Graph

You can practice here: tml

Lets try it.

Protractor

How to use a protractor

Line up the protractor on the vertex

118°58° 140° 43°

Housing Food Clothing Transportation Health Insurance Entertainment Other Savings Use this data and Google Docs to make a Circle graph

The link to Google Docs bBM6os1F_S4qhW09DBoZ&dt=document#do cument

For Next time Construct a circle graph that tells something about you. What kinds of books you have read, music you like. How you spend your time, or budget your money.

Resources b/mentalmaths/angleshapes.html e.aspx?portalId= &pageId=