box plot
highlight outliers
easy to compare
4 categories only
histogram
does not outline outliers
not easy to find quartilles
cumulative frequency
easy to find 5 numbers
does not outline outlers
interval boundaries are not clear
histogram or box plot
bp will show all central tendancy
and histogram
histograms are more detailed
what is an outlier
q1-(1,5 mutlipied by interquatile range )
why are statistical models used
Used to simplify or represent a real world problem
Cheaper or quicker or easier (than the real situation) or
more easily modified any two lines
To improve understanding of the real world problem B1
Used to predict outcomes from a real world problem