Grade 12 Maths · Statistics

Find and describe the correlation

Find the correlation coefficient r on a calculator and describe the link between two variables, for example r = 0,92 is strong and positive.

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4. Grade 12 Mathematics - Statistics - Correlation between VariablesJuniorTukkie at the University of Pretoria

1. Grade 12 Mathematics - Statistics - Basics of CorrelationJuniorTukkie at the University of Pretoria

Statistics Grade 12: L3 Correlation and correlation coefficientOnline Maths by Miss Pythagoras

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Question d · Siyavula Grade 12 Mathematics, 9.3 Correlation, Worked example 9 · 3 marks

A cardiologist wanted to test the relationship between resting heart rate and the peak heart rate during exercise. Heart rate is measured in beats per minute (bpm). The following set of data was generated from

12

study participants after they had run on a treadmill at

10 km/h

for

10

minutes. $Diagram for this question$

d Without using your calculator, find the correlation coefficient,

r

. Confirm your answer using your calculator.(3)

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