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Exam 1
Statistics
University/Undergrad
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37 Terms
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1
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Has a basic unit of measurement cant be sub-divided
Discrete
2
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\# of people
Discrete Example
3
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Whole integers
Discrete Example
4
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Infinitely sub-divided
Continuous
5
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Time
Continuous Example
6
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Codes
Nominal Examples
7
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Non-mathematical
Nominal Examples
8
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Rank Order
Ordinal Examples
9
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Opinion Surveys
Ordinal Example
10
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Don’t know the distance between
Ordinal Examples
11
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Difference constant
Interval Example
12
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0 is arbitrary
Interval Example
13
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Range + 1
Interval Width
14
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F/N x 100
Percentage & Distribution
15
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Stated limits
Interval-Ratio Graph
16
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Midpoints
Interval-Ratio Graph
17
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Frequency polygons
Midpoints Graph
18
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Histograms
Real Limits Graph
19
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\# of cases in 1st category
F1
20
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\# of cases in 2nd category
F2
21
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F1/F2
How to Find Ratio
22
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\# of accidents/ pop
Rates
23
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\# of deaths/pop x 1000
Crude Death Rate
24
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\# of occurrences/ pop x 100,000
Theft Rates
25
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Discrete
Pie Charts are
26
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Discrete
Bar Charts are
27
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Real limits
Histograms Include
28
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Discrete & continuous
Histograms are
29
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midpoints
Line Charts include
30
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High-low or low-high
Median
31
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N+1/2
Median Odd
32
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Gives case #
Why N+1/2
33
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N/2
Median Even
34
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Gives 1st case #
Why N/2
35
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Nominal
Use Mode
36
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Ordinal
Use Median
37
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Interval-ratio
Use Mean