More about Confidence Intervals Answers
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1
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± ()()
A
Critical valueB
Point estimateC
Standard deviation of the statisticD
Margin of error2
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10% condition:
A
metB
not met3
Large counts condition:
A
metB
not met5
When do we check the 10% condition?
A
when we sample with replacement from a populationB
when we sample from a finite population without replacementC
when we sample from a populationD
when we want to construct a confidence interval6
Suppose we want to construct a confidence interval for p and n = 50 and = 0.9. Is the large counts condition met?
A
Yes, is at least 10.
B
Yes, is at least 10.
C
Yes, both and are at least 10.D
No, and are not both at least 10.7
Random condition:
A
metB
not met8
Random condition:
A
metB
not met9
is the .
A
population proportionB
point estimatorC
sample mean12
When building a confidence interval for a population proportion, why is it important for the observations to be selected randomly?
A
to guarantee that the value of the population parameter can be determinedB
to trust that they accurately describe the population of interestC
to determine the critical valueD
to ensure that the 10% condition is met13
10% condition:
A
metB
not met14
z* is the .
A
critical valueB
point estimatorC
standard error17
± ()()
A
critical valueB
point estimateC
standard deviation of the statisticD
margin of error18
Large counts condition:
A
metB
not met19
± ()()
A
critical valueB
point estimateC
standard deviation of the statisticD
margin of error20
is the of .
A
critical valueB
point estimatorC
standard errorDid you find these answers helpful?
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