1. Handling Your Data

2. Quantitative & Qualitative Quantitative: numbers such as time, amounts, height, weight, liters, grams, etc. Qualitative: non-number data such as smell, taste, texture, color, shape, sound, etc.

3. Graphs All graphs must have: –A–A descriptive title –T–The x & y axis labeled –P–Proper scale –A–A key when necessary

4. Pie, Line or Bar Graph?? Bar graphs are used when one of your variables is quantitative and the other is qualitative.

5. Line A line graph is used when both of your variables are quantitative OR showing a change over time

6. Pie Charts Pie charts are used when you want to show parts of a whole.

7. The x & y axis The independent variable is on the x axis. The dependent variable is on the y axis.

8. 1. How much time will it take for 40 students to find suitable materials in the library? 2. Which news station did republicans show up on the most in January? 3. How much of the trash produced in Norman is recyclable? Graph 1 Graph 3 Graph 2