Representations of data Flashcards
1
Q
Define outlier
A
Q3 + k(Q3-Q1) where k is variable
Q1 - k(Q3-Q1) where k is variable
2
Q
Define cleaning data
A
Removing outliers
3
Q
Drawing cumulative frequency diagram
A
plot using upper boundary value
4
Q
Drawing a histogram
A
frequency = frequency density x class width
5
Q
How to compare data
A
compare variance, standard deviation, interquartile range, regression etc