Daily Practice

Foundation

5th June 2026

5 questions · Foundation tier · 282 questions in this band

1
Designing Questionnaires and Surveys
Rewrite the response options '0-5, 5-10, 10-15' so that they no longer overlap.
2
Experimental Design
A scientist tests a new plant food but only uses it on the healthiest-looking plants. Explain why this is a flawed design.
3
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?
4
Index Numbers
A base year value is 40 and this year's value is 50. Find the index number.
5
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.

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