Daily Practice

Higher

21st June 2025

5 questions · Higher tier · 360 questions in this band

1
Time Series and Moving Averages
Find the 3-point moving average of 10, 14, 18.
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 shows 5 full symbols for apples sold, with a key of 1 symbol = 12 apples. How many apples were sold?
4
Probability Basics and the Probability Scale
A fair six-sided dice is rolled. What is P(rolling a 5)?
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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