If our data is considered to follow a Normal distribution, then we would expect to find approximately a) 15% of observed values in the sample less than the first quartile b) 65% of observations in a sample in the inter-quartile range c) 95% of observations in a sample within two standard deviations of the mean d) 50% of observations in a sample within one standard deviation of the mean

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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If our data is considered to follow a Normal distribution, then we would expect to find approximately

a) 15% of observed values in the sample less than the first quartile

b) 65% of observations in a sample in the inter-quartile range

c) 95% of observations in a sample within two standard deviations of the mean

d) 50% of observations in a sample within one standard deviation of the mean

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