Foundation
1st April 2026
- 1Frequency Tables and Tally Charts
The number of pets owned by 15 households, recorded as collected, is: 0,1,2,1,0,3,1,2,0,1,1,2,0,1,2. Complete a frequency table for the number of pets and state the total frequency.
- 2Time Series and Moving Averages
What does a moving average smooth out in seasonal data, and what does the result reveal?
- 3Grouped Frequency Tables
Using the data in the previous question (12, 18, 25, 31, 9, 22, 15), state the frequency of the interval 20 <= x < 30.
- 4Pictograms
A pictogram key shows 1 symbol = 10 pupils. A row has 3 full symbols. How many pupils does the row represent?
- 5Probability Basics and the Probability Scale
An event has a probability of 0.2 of happening. What is the probability that it does not happen?
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