Mathematics, 22.09.2020 16:01 qais4002
Let X be the number of students absent from a randomly chosen class on any give day. The standard deviation of X is 1.15. If many classes were selected at random, which of the following would be the best interpretation of the value 1.15? a) The mean number of absences would be about 1.15 b) The number of absences would be at most 1.15 from the mean c) The number of absences would typically be about 1.15 from the mean d) The mean number of absences would be about 1.15 from the expected value e) The number of absences would be within 1.15 from the mean about 68% of the time
Answers: 3
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Let X be the number of students absent from a randomly chosen class on any give day. The standard de...
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