Data handling: Calculate, represent and interpret measures of central tendency and dispersion in univariate numerical ungrouped data
Subject outcome
Subject outcome 4.1: Calculate, represent and interpret measures of central tendency and dispersion in univariate numerical ungrouped data.
Learning outcomes
- Work out the five-number summary by:
- Calculating the maximum, minimum and quartiles
- Determining the fences
- Constructing the box and whisker diagram
- Indicating any outliers.
- Interpret the meaning of the representation of the box and whisker diagram with its outliers.
Unit 1 outcomes
By the end of this unit you will be able to:
- Find the mean for ungrouped data.
- Find the median for ungrouped data.
- Find the mode for ungrouped data.
- Find the range and interquartile range.
Unit 2 outcomes
By the end of this unit you will be able to:
- Combine measures of central tendency and dispersion to work out the five-number summary.
- Construct the box-and-whisker plot.
- Interpret the box-and-whisker plot.
