Which of the following is included in the empirical rules?
A) Approximately 59% of the observations will fall within two standard deviations of the mean,or within x ± 2s.
B) Approximately 68% of the observations will fall within one standard deviation of the mean,or between x - s and x + s.
C) Approximately 89% of the observations will fall within three standard deviations of the mean,or within x ± 3s.
D) Approximately 28% of the observations will fall within three standard deviations of the mean,or within x ± 3s.
Correct Answer:
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A)α
B)μ
C)λ
D)π
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A)s2
B)v2
C)σ2
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A)is
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