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Unformatted text preview: = - 1.5 0.5 + 0.5 + 1.5 + 2.5 + 3.5 = 6 b) (1 2.5) 2 + (2 2.5) 2 + (3 2.5) 2 + (4 2.5) 2 = 2.25 + 0.25 + 0.25 + 2.25 = 5 Top 9. a) Simple random sample: every member of the population has an equal chance of being selected and the selection of any particular individual does not affect the chances of any other individual being chosen. b) Systematic sample: scan the population sequentially and select members at regular intervals. The sampling interval size is determined by dividing the population size by the sample size. c) Outlier: a data point or observation that lies a long way from the main body of data. Top...
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