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Daily Practice

Foundation

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21st February 2026

5 questions · Foundation tier · 282 questions in this band

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  1. 1
    Collecting Data

    State one advantage secondary data has over primary data for a project on rainfall over the last 50 years.

  2. 2
    Comparing Data Sets

    Data set X has a range of 12 and data set Y has a range of 5. Which data set is more consistent?

  3. 3
    Combined Mean

    Three groups have 8 items with mean 10, 12 items with mean 15, and 5 items with mean 20. Find the combined mean.

  4. 4
    Designing Questionnaires and Surveys

    What is wrong with the question 'Do you not think school lunches are too expensive?'

  5. 5
    Experimental Design

    What is a control group used for?

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