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20 The following information on age and number of hours exercised was gathered about 13...

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Geometry

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20 The following information on age and number of hours exercised was gathered about 13 members at a small gym 25 36 44 5 4 57 Age Hours 6 a Create a scatter plot 3 marks 22 6 5 2 D 25 43 5 4 19 33 40 44 28 25 2 5 6 5 7 4 5 3 5 5 b Determine the correlation coefficient 2 marks c Describe the type of relation and the strength of the relation 2 marks d Does the age of a gym member affect the number of hours that he or she exercises per week 2 marks How reliable and valid do you think the information is 2 marks

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