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Mathematics, 30.10.2019 22:31, emalvidrez5205
An efficiency expert claims that a new ergonomic desk chair makes typing at a computer terminal easier and faster. to test it, 15 volunteers are selected. using both the new chair and their old chair, each volunteer types a randomly selected passage for 2 minutes and the number of correct words typed is recorded. a. the data should be treated as independent samples because the samples are random. b. the data should be treated as paired samples. each pair consists of a volunteer using each chair. c. the data should be treated as paired samples. each pair consists of the number of correct words typed each minute
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