Daily Practice

Foundation

10th April 2026

5 questions · Foundation tier · 282 questions in this band

1
Median Quartiles and IQR
Two classes have the same median test score. Class A has IQR = 6 and Class B has IQR = 15. Which class's scores are more consistent, and why?
2
Index Numbers
A base year value is 40 and this year's value is 50. Find the index number.
3
Frequency Tables and Tally Charts
A frequency table for test scores out of 10 shows: score 6 has frequency 5, score 7 has frequency 8, score 8 has frequency x, score 9 has frequency 3, and the total frequency is 25. Find x.
4
Time Series and Moving Averages
A series of 4-point moving averages is 45, 48, 52, 55. Describe the trend shown by these values.
5
Grouped Frequency Tables
The frequencies for four class intervals are 6, 9, 11, 4. Find the total number of data values.

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