• Chapter 1 – Representation of Data

When students have completed this lesson they should be able to:

• Know the difference between quantitative and qualitative data
• Make comparisons between sets of data by using diagrams
• Construct a stem-and-leaf diagram from raw data
• Draw a histogram from a grouped frequency table, and know that the area of each block is proportional to the frequency in that class
• Construct a cumulative frequency diagram from a frequency distribution table

Chapter 2 – Measures of Location

When students have completed this lesson they should be able to:

• Know what the median is, and be able to calculate it
• Know what the mean is, and be able to calculate it efficiently
• Know what the mode and the modal class are, and be able to find them
• Choose which is the appropriate measure to use in a given situation

Chapter 3 – Measures of Spread

When students have completed this lesson they should be able to:

• Know what the range is, and be able to calculate it
• Know what the quartiles are and how to find the interquartile range from them
• Construct a box-and-whisker plot from a set of data
• Know what the variance and standard deviation are, and be able to calculate them
• Select an appropriate measure of spread to use in a given situation