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ScotlandApplications of MathematicsQuick questions
Statistics and Probability
Quick questions on Correlation and regression - SQA Higher Applications of Maths
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
A correlation coefficient is . Describe the relationship. [1 mark]
What is q2?Show answer
A regression line is . Interpret the slope and predict when . [2 marks]
What is q3?Show answer
Sales of sunglasses and visits to outdoor pools are strongly correlated. Explain why one need not cause the other. [2 marks]
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