basic statistics
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Pairoj Boonluksiri
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11 Slides • 3 Questions
1
Basic statistics
Pairoj Boonluksiri, MD.
bpairoj@gmail.com
Pediatric neurologist, Hatyai Hospital
Dip. clinical epidemiology สงขลานครินทร์
Cert. medical education, UIC, Chicago
2
You must know.....
Data types: scale of measurement
Hypothesis testing (statistical analysis)
Statistical terms
Statitical analysis for 2-proportion and 2-mean comparison
3
Data type and scale of measurement
4
Multiple Choice
Which of the following is the scale of measurement for test-scores?
nominal
ordinal
interval
ratio
5
Normal distribution
Z-distribution
Parametric test
6
Multiple Choice
Which of the following is the formula of "margin of error"?
7
p-value = probability of true null hypothesis
power = 1-beta
p-value
Effect size
alpha error
(type 1 error)
beta error
(type 2 error)
power
(1-beta)
8
9
Multiple Choice
Which of the following is the meaning of "alpha error"?
accept the true null hypothesis
reject the true null hypothesis
accept the false null hypothesis
accept the false null hypothesis
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2-mean comparison
11
Multiple means comparison (more than 2 groups)
equal variance
no outliers
normal disribution is not improtant
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13
Fisher's exact
14
Basic statistics
Pairoj Boonluksiri, MD.
bpairoj@gmail.com
Pediatric neurologist, Hatyai Hospital
Dip. clinical epidemiology สงขลานครินทร์
Cert. medical education, UIC, Chicago
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