I have an exam coming up tomorrow and this question was on the study and I really don't understand how to do this
According to Chebyshev Rule, for any data set, P(|X-mean|< k sd) > 1-(1/k^2) that is the proportion of data within k standard deviations is at least 1-k^2.
1) what percentage of the data falls within three standard deviations of the mean
STATISTICS HELP ASAP!!?
2016-04-19 4:08 pm
回答 (1)
2016-04-19 6:36 pm
At least 1-(1/3)²
≥ 1-1/9 ≥ 8/9 ~ 88.9%
≥ 1-1/9 ≥ 8/9 ~ 88.9%
收錄日期: 2021-05-01 20:37:54
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