Introducing Statistics: Are My Results Unexpected
AP Statistics · Flashcards · Application
AP STATISTICS · FLASHCARDS
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QUESTION
What does it mean if a p-value is less than
α
\alpha
α
?
QUESTION
Find the critical z-value for a 95% confidence level.
QUESTION
Find the sample mean of the dataset:
5
,
10
,
15
5, 10, 15
5
,
10
,
15
.
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ANSWER
x
ˉ
=
10
\bar{x} = 10
x
ˉ
=
10
.
(
5
+
10
+
15
)
/
3
=
30
/
3
=
10
(5+10+15)/3 = 30/3 = 10
(
5
+
10
+
15
)
/3
=
30/3
=
10
.
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