Representations of Data Flashcards
1
Q
What values would be considered outliers in data (2 points) ?
A
x > Q₃ + k(Q₃ -Q₁)
x < Q₁ - k(Q₃ -Q₁)
Where k is simply a constant
2
Q
How is the IQR represented in box plots?
A
As the box between the max/min lines
3
Q
How is the median presented in box plots?
A
As the line in the middle of the box
4
Q
What is the IQR a measure of?
A
The spread of data
5
Q
What is the median a measure of?
A
The location of data
6
Q
How do you calculate frequency density?
A
Frequency density = frequency / class width
7
Q
On a histogram, what values are on the x-axis? What values are on the y-axis?
A
For the x-axis: Frequency density
For the y-axis: Class width
