ExpertMedium1 markExtended Response
AQA GCSE · Question 13.6 · Interpreting Results and Evaluating Findings
Give one reason why Lopez might not be correct.
Give one reason why Lopez might not be correct.
How to approach this question
Think about the answer to part (d) regarding rounding. If a very small number of 18-certificate films were shown, what might the percentage be, and what would it round to?
Full Answer
The 0% could be due to rounding. A very small number of 18-certificate films might have been shown, but the percentage was less than 0.5% and so rounded down to 0%.
The conclusion that *no* 18-certificate films were shown might be incorrect due to rounding. It is possible that a small number of 18-certificate films were shown, but they made up a very small percentage of the total. For example, if 1 out of 500 films was an 18-certificate, the percentage would be (1/500)*100 = 0.2%. If the percentages in the table were rounded to the nearest whole number, 0.2% would be rounded down to 0%. Therefore, a value of 0% in the table does not definitively mean the actual count was zero.
Common mistakes
✗ Stating that the data is wrong without explaining how.
✗ Giving an irrelevant reason, e.g., "maybe he missed one".
Practice the full AQA GCSE Statistics Foundation Tier Paper 1
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