Daily Practice

Higher

30th June 2025

5 questions · Higher tier · 360 questions in this band

1
The General Addition Law
Out of 50 people surveyed, 20 like tea, 25 like coffee, and 10 like both. Find the probability that a randomly chosen person likes tea or coffee.
2
Mean Median Mode and Range
Find the mean of 4, 7, 9, 12, 18.
3
The Statistical Enquiry Cycle
A supermarket wants to know if a new till layout reduces queuing time. Write a suitable statistical question for the start of the enquiry cycle.
4
Averages from a Frequency Table
A different table shows test scores out of 5 for 30 students: 1 (freq 3), 2 (freq 5), 3 (freq 9), 4 (freq 8), 5 (freq 5). Find the mean score.
5
Types of Data
State whether 'shoe size' is discrete or continuous, and explain why.

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