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The table below shows the grade and reading level for 5 students Student 1 O 0 71 Student 2 O 0 85 Student 3 O 1 00 Student 4 Student 5 1 x X 7 Sx Grade 2 Sy 6 For grade the mean is 3 6 and the standard deviation is 2 1 For reading level the mean is 9 2 and the standard deviation is 4 1 5 4 1 Reading Level 6 Using the formula below or Excel find the correlation coefficient r for this set of students Answer choices are rounded to the nearest hundredth 14 12 10 4
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