Interpretation Of Data Flashcards
1
Q
What to pie charts illustrate?
A
Proportions
2
Q
What do bar charts illustrate
A
Compare the numbers in each class
3
Q
Equation for proportional pie charts
A
Radius 2= radius 1 X square root total1/ total2
4
Q
How can discrete quantitative data be illustrated?
A
Line diagrams
5
Q
What are cumulative frequency diagrams useful for?
A
Estimating the median and quantiles of grouped data
6
Q
What are box plots useful for?
A
To compare different sets of data
7
Q
What is an outlier?
A
Greater than Q3 + 1.5 (Q3- Q1) or less than Q1- 1.5 (Q3-Q1)
8
Q
How can qualitative data be illustrated?
A
By pie charts or bar charts
