1. GRAPHING

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

3. 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.

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

5. 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

6. Which is the independent and dependent variable
Record sales

7. Eating carrots improves vision

8. Independent variable – eating carrots
Dependent variable – improved vision

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

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

11. 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

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

13. 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