2.1 Flashcards
1
Q
Range formula
A
Max value - Min value
2
Q
Class width formula
A
Lower class limit of one class/Upper class - Upper or lower class of next
3
Q
Class midpoint
A
lower class limit + upper class limit/2
4
Q
Class boundaries
A
Numbers that separate classes without forming gaps between them
5
Q
Ogive
A
Cumulative frequencies
6
Q
Class width
A
Range/Number of classes
Round number to next
7
Q
Relative frequency
A
Class frequency/Sample size
8
Q
Histogram
A
Representation of the information in a frequency table using bar graph
9
Q
Frequency polygon
A
A line graph representation of the information in a frequency table
10
Q
Measure of central tendency
A
A value used to represent typical or average value in a data set
