Daily Practice

Foundation

28th November 2024

5 questions · Foundation tier · 282 questions in this band

1
Index Numbers
An index number is 140 with a base value of 20. Find this year's value.
2
Frequency Tables and Tally Charts
Using the survey in the previous question (Red 6, Blue 9, Green 4, Yellow 5), which colour is the mode?
3
Time Series and Moving Averages
Find the 3-point moving average of 14, 18, 20.
4
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.
5
Pictograms
A pictogram key shows 1 symbol = 4 books. A row has 2 and a half symbols. How many books does the row represent?

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