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1 The scatter diagram alongside shows the marks 60 4 marks obtained by students in a test out of 50 marks, 50 plotted against the
1 The scatter diagram alongside shows the marks 60 4 marks obtained by students in a test out of 50 marks, 50 plotted against the number of hours each student studied for the test. 40 a Describe the correlation between the variables. 30 b How should the outlier be treated? 20 Explain your answer. 10 2 4 6 8 10 12 no. of hours of study
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