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IB SEHS Unit 6 Complete Solutions
IB SEHS Unit 6 Complete Solutions 
error bars ️Graphical representation of the variability of data 
mean ️average 
standard deviation ️a measure of variability that describes an average distance of every score from 
the mean 
normal distribution ️A function that represents the distribution of variables as a symmetrical bell 
shaped graph. 
Small standard deviation means ️Data is clustered tightly around mean -Less score variety -More reliable/accurate than large standard deviatio...