Untimed practice sets. Take one here, or find them embedded right inside a course's concepts.
Choose a topic to see its subtopics.
Ten questions on a weather project: the steps, the kinds of data, a line graph of a hill town in winter, chances, linked days and what a report may claim. One asks you to find a mistake. Every answer has a worked solution that names the usual slip.
Ten questions on probability by counting, the long run, two events together and taking without putting back. One reads a spinner, and one asks you to find a mistake. Every answer has a worked solution that names the usual slip.
Ten questions on the range, the interquartile range, the variance and the standard deviation, and on what happens to them when every value changes. One reads a box plot. Every answer has a worked solution that names the usual slip.
Ten questions on the mean, the median and the mode, a missing value and two groups together. One reads a bar chart, and one asks you to find a mistake. Every answer has a worked solution that names the usual slip.
Ten questions on frequency tables, shares, bar charts, pie charts and histograms. One reads a bar chart, and one asks you to find a mistake. Every answer has a worked solution that names the usual slip.
Ten questions on data tables, the kinds of data and fair samples. One asks you to find a mistake. Every answer has a worked solution that names the usual slip.