Daily Practice

Higher

25th January 2025

5 questions · Higher tier · 360 questions in this band

1
The General Addition Law
P(A) = 1/2, P(B) = 1/3, P(A and B) = 1/6. Find P(A or B).
2
Mean Median Mode and Range
The mean of 6 numbers is 15. Five of the numbers are 10, 12, 14, 18, 20. Find the sixth number.
3
The Statistical Enquiry Cycle
State two things that should be decided during the planning stage of the enquiry cycle.
4
Averages from a Frequency Table
A table shows number of siblings: 0 (freq 4), 1 (freq 10), 2 (freq 4), 3 (freq 2). Find the mode.
5
Types of Data
A researcher records the exact temperature of 30 cups of tea to the nearest 0.1 degrees C. State the type of data, giving two features.

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