Inferences & Claims From Statistics
PSAT Math · Flashcards
PSAT MATH · FLASHCARDS
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QUESTION
What must be true to generalize a survey result to an entire population?
QUESTION
What condition makes a sample likely to be representative of the population?
QUESTION
Which claim is supported: A
95
%
95\%
95%
confidence interval for a proportion is
(
0.30
,
0.36
)
(0.30,0.36)
(
0.30
,
0.36
)
. Is
0.40
0.40
0.40
plausible?
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ANSWER
No, because
0.40
0.40
0.40
is outside
(
0.30
,
0.36
)
(0.30,0.36)
(
0.30
,
0.36
)
. Values outside the interval are implausible at this confidence level.
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