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(Solved): 1. The Empirical Rule tells us that: About % of all values fall within 1 standard deviation of the ...



1. The Empirical Rule tells us that:
About \( \% \) of all values fall within 1 standard deviation of the mean.
About \( \% \

1. The Empirical Rule tells us that: About of all values fall within 1 standard deviation of the mean. About of all values fall within 2 standard deviations of the mean. About of all values fall within 3 standard deviations of the mean. 2. Shade the standard normal curve (normal distribution of -scores) to represent the area that covers the middle of all values.


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Let X be a symmetric random variable, its mean is denoted by ? and standard deviation is denoted by ?.1. Emperi
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