Unformatted text preview: (iii) The Chebyschev inequality says that least 1/9 of the data must be 3 standard deviations or more from the mean. a) Only the first is true. b) Only the second is true. c) Only the third is true. d) *None are true. e) All are true. A simple random sample of n must also have all possible samples of n equally likely. The relative frequencies add to 1. At most 1/9 of the data is 3 or more standard deviations from the mean....
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- Spring '11
- Standard Deviation, Simple random sample