Study Guide for Exam 3
Be able to define
P
value
α
= level of significance
β
margin of error
type I error
type II error
confidence interval
confidence level
robustness of a statistical procedure
practical significance
statistical significance
Be able to interpret in context
P
value
type I error
type II error
statistical significance
level of confidence
any confidence interval
margin of error
conclusions for test of significance (Both when you reject null and when you fail to reject null)
Be able to determine:
Outliers in a stemplot, dotplot, boxplot or histogram
H
0
and H
a
When to reject H
0
and when to fail to reject H
0
Relationship between margin of error and level of confidence
Relationship between margin of error and sample size
When you could make a type I error
When you could make a type II error
Where
P
value, alpha, beta and power are on their respective curves
Relationship between
α
and
β
for fixed sample size
Relationship between
β
and sample size for fixed
α
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 Spring '10
 BRUCEJAYCOLLINGS
 Statistics, Statistical hypothesis testing

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