Daily Practice

Foundation

23rd November 2025

5 questions · Foundation tier · 282 questions in this band

1
Frequency Polygons
A class interval is 20-30 with frequency 8. Give the coordinates of the point plotted for this class.
2
Tree Diagrams
A box has 3 faulty bulbs out of 10. Two bulbs are chosen without replacement. Find the probability at least one is faulty.
3
Cumulative Frequency
A cumulative frequency graph for 80 data values is used to estimate the median. At what cumulative frequency value do you read across to the curve?
4
Box Plots
Box plot A has an interquartile range of 8 and box plot B has an interquartile range of 15. What does this tell you about the spread of the middle 50 percent of each data set?
5
Scatter Graphs and Line of Best Fit
A line of best fit passes through the points (0, 4) and (10, 24). Find its gradient.

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