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Mathematics 11 Online
OpenStudy (anonymous):

2. 5.4, -26.6, 0.4, -15.6, 26.4, -11.6, 17.4, -21.6, 8.4, 23.4, -1.6, -37.6, 5.4, -6.6, -1.6, -1.6, 10.4, 14.4, 14.4 Part 3: What percentage of the scores are within one standard deviation of the mean (±1)? Part 4: What percentage of the scores are within two standard deviations of the mean (±2)? Part 5: Does this data fit the model of a normal distribution? Why or why not?

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