03 representations of data Flashcards
(4 cards)
1
Q
What is an outlier?
A
an extreme value that lies outside a pattern
2
Q
When dealing with grouped data, what value should you use when plotting cumulative frequency tables?
A
The end of the group
3
Q
What is the equation for frequency density?
A
frequency / class width
4
Q
What are the 2 options of things to compare when asked to compare data?
A
- mean and standard deviation
- median and IQR (more appropriate for extreme values)
