Daily Practice

Foundation

12th July 2025

5 questions · Foundation tier · 282 questions in this band

1
Time Series and Moving Averages
Find the 3-point moving average of 14, 18, 20.
2
Grouped Frequency Tables
A grouped frequency table has intervals of unequal width, 0 <= x < 10 and 10 <= x < 40. Explain why this could make the table misleading when drawing a histogram.
3
Pictograms
A pictogram key shows 1 symbol = 4 books. A row has 2 and a half symbols. How many books does the row represent?
4
Probability Basics and the Probability Scale
A bag has 4 yellow and 6 white balls. What is P(picking a yellow ball)?
5
Bar and Composite Bar Charts
A bar chart uses a scale where each small square represents 2 people. A bar is 7 squares tall. How many people does the bar represent?

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