more Flashcards
1
Q
box plot
A
highlight outliers
easy to compare
4 categories only
2
Q
histogram
A
does not outline outliers
not easy to find quartilles
3
Q
cumulative frequency
A
easy to find 5 numbers
does not outline outlers
interval boundaries are not clear
4
Q
histogram or box plot
A
bp will show all central tendancy
and histogram
histograms are more detailed
5
Q
what is an outlier
A
q1-(1,5 mutlipied by interquatile range )
6
Q
why are statistical models used
A
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