• 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