Daily Practice

Foundation

9th April 2025

5 questions · Foundation tier · 282 questions in this band

1
Time Series and Moving Averages
Find the 4-point moving average of 8, 12, 16, 20.
2
Grouped Frequency Tables
Why must class intervals in a grouped frequency table not overlap?
3
Pictograms
A pictogram key shows 1 symbol = 6 cakes. A row has 1 symbol and a third of a symbol. How many cakes does the row represent?
4
Probability Basics and the Probability Scale
The probability that a train is late is 0.15. Out of 200 trains, how many would you expect to be late?
5
Bar and Composite Bar Charts
A composite bar chart shows exam grades at a school: the bar has a section from 0 to 10 for Grade 9-7, a section from 10 to 34 for Grade 6-4, and a section from 34 to 40 for Grade 3-1. How many students got Grade 6-4?

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