1. Frequency and Histograms

2. Vocabulary:  Frequency: The number of data values in an interval.  Frequency Table: A table that groups a set of data values into intervals and shows the frequency for each interval.  Histogram: A graph that can display data from a frequency table.  Cumulative Frequency Table: A table that shows the number of data values that lie in or below a given interval.

3. Frequency:

4.  Example: What is the frequency of each range?

5. Histograms:  Uniform:

6. Histograms:  Symmetric:

7. Histograms:  Skewed:

8. Histograms:  Example: What type of histogram is this?

9. Histograms:  Example: What type of histogram is this?

10. Histograms:  Example: What type of histogram is this?

11. Histograms: We’re going to draw histograms. If you wanna come on down, come on down.

12. Histograms: