Daily Practice

Foundation

14th October 2024

5 questions · Foundation tier · 282 questions in this band

1
Relative and Expected Frequency
Student A rolls a dice 20 times and gets a 6 four times. Student B rolls the same dice 300 times and gets a 6 forty-eight times. Whose relative frequency is a more reliable estimate of the true probability, and what is it?
2
Stem and Leaf Diagrams
A stem-and-leaf diagram has rows: 0|5 8, 1|2 2 6, 2|1. How many data values are there in total?
3
Histograms
Using the same histogram, how many students scored between 10 and 30 marks?
4
Venn Diagrams
A rectangle labelled 20 contains two non-overlapping circles for events A and B with 8 and 5 inside them. How many outcomes are outside both circles?
5
Frequency Polygons
Two frequency polygons are drawn on the same axes for boys' and girls' test scores. What feature of the graphs shows which group generally scored higher?

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