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In principle, how do you calculate the mean or standard deviation of a frequency distribution compared to a regular variable? a) divide by n-1 instead
In principle, how do you calculate the mean or standard deviation of a frequency distribution compared to a regular variable?
a) divide by n-1 instead of by n to correct for the error associated with the greater variation in the data
b) only use the top of the classes for the calculation and divide by 2 at the end
c) use the class midpoint instead of individual values
d) it is not possible to calculate the mean or standard deviation of frequency distributions
e) none of the above
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