**Unit 2**

Topics:

**Beginning Graphing and Qualitative and Quantitative Variables **link:Intro to graphs

- Learning Objectives

- Create a frequency table
- Determine when pie charts are valuable and when they are not
- Create and interpret bar charts
- Identify common graphical mistakes

**Stem and Leaf Displays **link:stem and leaf

- Learning Objectives

- Create and interpret basic stem and leaf displays
- Create and interpret back-to-back stem and leaf displays
- Judge whether a stem and leaf display is appropriate for a given data set

**Histograms **link:Histograms

- Learning Objectives

- Create a grouped frequency distribution
- Create a histogram based on a grouped frequency distribution
- Determine an appropriate bin width

**Frequency Polygons **link:Frequency Polygons

- Learning Objectives

- Create and interpret frequency polygons
- Create and interpret cumulative frequency polygons
- Create and interpret overlaid frequency polygons

**Box Plots **link:Box Plots

- Learning Objectives

- Define basic terms including hinges, H-spread, step, adjacent value, outside value, and far out value
- Create a box plot
- Create parallel box plots
- Determine whether a box plot is appropriate for a given data set

**Bar Charts **link:Bar Charts

- Learning Objectives

- Create and interpret bar charts
- Judge whether a bar chart or another graph such as a box plot would be more appropriate

**Line Graphs **link:Line Graphs

Learning Objectives

- Create and interpret line graphs
- Judge whether a line graph would be appropriate for a given data set

**Dot Plots **link:Dot Plots

Learning Objectives

- Create and interpret dot plots
- Judge whether a dot plot would be appropriate for a given data set

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