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MAT 211 (22)
Lecture 22

MAT 211 Lecture 22: 8.3 Mathematical Expectation
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Department
Mathematics
Course
MAT 211
Professor
Mohacsy Hedvig
Semester
Spring

Description
8.3 Mathematical Expectation Test scores: 40, 79, 83, 92, 92 1. Mean average: 40 + 79 + 83 + 92 + 92 = 77.2 5 ◦ Disadvantage: affected by the outliers (very low and high values) ◦ Ex. Test scores: 0, 0, 100 ‣ 0 + 0 + 100 = 33.3 3 2. Median: 40, 79, 83, 92, 92 ◦ Ex. 40, 79, 93, 98 ◦ Advantage: not affected by the outliers
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