CHAPTER 2 Flashcards
1
Q
bar chart
A
- a graphical display of data in categories made of vertical/horizontal bars
- each bar gives the frequence, relative frequency, or percentage frequency of items in its corresponding category
2
Q
frequency distribution
A
A table
- summarize the number of items/measurements
- in each of several NONOVERLAPPING CLASSES
3
Q
relative frequency of a class
A
frequency of the class/n
(n: number of observations)
4
Q
percent frequency
A
percentage of items/measurements in each of several nonoverlapping classes
5
Q
charts to summerize qualitative data
A
- bar chart
- pie chart
- Pareto chart
6
Q
pie chart
A
- Each pie slice: represents the frequency, relative frequency or percentage frequency
7
Q
construct pie chart
A
Relative frequency x 360
8
Q
Pareto chart
A
9
Q
histogram
A
10
Q
mound shaped
A
11
Q
symmetrical
A
12
Q
skewed
A
13
Q
frequency polygon
A
14
Q
cumulative frequency distribution
A
15
Q
ogive
A
16
Q
dot plots
A
17
Q
stem-and-leaf displays
A
- show the data set’s distribution by using stems consisting of leading digits and leaves (leaf) consisting of trailling digits
- place the measurements from smallest to largest
18
Q
contigency table
A
19
Q
scatter plot
A
20
Q
gauge
A
21
Q
bullet graph
A
22
Q
treemap
A
23
Q
sparklines
A
24
Q
dashboard
A
25
Q
data discovery
A
26
Q
splitting the stems
A
stretch the display by assigning each set of leading digits to two or more rows
27
Q
A
