GRAPHING

Tables Organizing data into groups Putting those groups into rows and columns Gives us an easy way to compare data

Graphs Give a visual representation of data Summarizes data. Two types of variables Independent variable the thing you have control over Dependent variable the thing that you don’t have control over.

Independent Vs. Dependent Intentionally manipulated Controlled Cause Intentionally left alone Measured Effect

HOW TO REMEMBER INDEPENDENT VS. DEPENDENT VARIABLE( DRY MIX) D-DEPENDENT R-RESPONDING Y-AXIS M-MANIPULATE(DO SOMETHING TO IT) I-INDEPENDENT X- AXIS

Which is the independent and dependent variable Record sales

Eating carrots improves vision

Independent variable – eating carrots Dependent variable – improved vision

Line Graphs Line Graphs- compares sets of data, show change and patterns over time.

Let’s practice: Temperature in Seattle, WA Days of the week Temperature (F) Monday 70o Tuesday 65o Wednesday 69o Thursday 71o Friday

Bar Graphs Bar Graphs- wide columns used things like weight, height , and length. They clearly show trends in data, meaning that they show how one variable is affected as the other rises or falls

Circle Graphs Often called a pie chart divided into parts easy to compare to whole amount. # of items_____ X 100 TOTAL # of items

Homework: Find the percentage of each item then make a pie graph. Title: Types of Candy Type of candy # of students percentage Skittles Snicker Blow pops Total