If a variable has a distribution that is bell-shaped with mean
28
and standard deviation
7,
then according to the Empirical Rule,
68.0%
of the data will lie between which values?
Solution:
Given in the question
Mean = 28
Standard deviation = 7
According to the empirical rule
68% of the data will lie between +/- 1 standard deviation from the mean
So lower value = mean - standard deviation = 28 - 7 = 21
Upper value = mean + standard deviation = 28 + 7 = 35
So 68% of the data will lie between 21 to 35.
If a variable has a distribution that is bell-shaped with mean 28 and standard deviation 7,...
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