Solutions Statistics

Table 1: Means and standard deviations for first year psychology and statistics exams ______________

Question: Table 1: Means and standard deviations for first year psychology and statistics exams

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Subject Mean Standard Deviation

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Psychology 65 10

Statistics 60 5

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Susan obtained a mark of 75 in her Psychology exam and a mark of 70 in her statistics exam. In which subject did she do better?

What percentage of students performed better than Susan in Statistics?

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