Printable worksheet ยท 4 of 4
Association is not a causal experiment - Paper 4
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
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Invented scatter-study description: an association is reported between shop visitors and umbrellas sold. The observed horizontal-variable range is 20 to 100, including endpoints. Consider predictions at 60 and 150. No causal experiment is supplied. Possible explanation to investigate: rain may influence purchases and visitor patterns; this is a hypothesis, not a demonstrated cause.
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