Foundation
21st August 2025
- 1Frequency Polygons
What value do you plot on the horizontal axis for each class of a frequency polygon?
- 2Tree Diagrams
A spinner has P(win) = 0.3. It is spun twice, independently. Find the probability of winning both times.
- 3Cumulative Frequency
A cumulative frequency graph shows that a cumulative frequency of 45 corresponds to a value of 60 on the horizontal axis, out of 90 total data values. How many data values are above 60?
- 4Box Plots
A box plot for 40 values has lower quartile 15 and upper quartile 25. Roughly how many of the 40 values lie between 15 and 25?
- 5Scatter Graphs and Line of Best Fit
A scatter graph shows points that generally fall from top left to bottom right. What type of correlation does this show?
You are looking at an earlier sheet. Today's sheet is the one that adds a day.
Your run is kept in this browser only, and there is no account.
Recent Foundation sheets
Any date always gives the same five questions, so a sheet can be set again or shared. All of August 2025, including the monthly compilation PDF.