IEE 380 EXAM 2 QUESTIONS & ANS
2025.
1 of 27
Term
A type II error occurs if we fail to reject the null hypothesis when it is
false.
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True False
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2 of 27
Term
For a fixed value of the standard deviation and a fixed
sample size, a confidence interval on the population mean
will get longer as the level of confidence increases from
96% to 99%.
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False True
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3 of 27
Term
The power of a statistical test is 1 - Probability(type II error).
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False True
2025.
1 of 27
Term
A type II error occurs if we fail to reject the null hypothesis when it is
false.
Give this one a try later!
True False
, Don't know?
2 of 27
Term
For a fixed value of the standard deviation and a fixed
sample size, a confidence interval on the population mean
will get longer as the level of confidence increases from
96% to 99%.
Give this one a try later!
False True
Don't know?
3 of 27
Term
The power of a statistical test is 1 - Probability(type II error).
Give this one a try later!
False True
