Type I error, Type II error, confidence interval
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1. A Type II error is committed when
a) we reject a null hypothesis that is true.
b) we don't reject a null hypothesis that is true.
c) we reject a null hypothesis that is false.
d) we don't reject a null hypothesis that is false.
2. A Type I error is committed when
a) we reject a null hypothesis that is true.
b) we don't reject a null hypothesis that is true.
c) we reject a null hypothesis that is false.
d) we don't reject a null hypothesis that is false.
3. An economist is interested in studying the incomes of consumers in a particular region. The population standard deviation is known to be $1,000. A random sample of 50 individuals resulted in an average income of $15,000. What is the upper end point in a 99% confidence interval for the average income?
a) $15,052
b) $15,141
c) $15,330
d) $15,364
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Solution Summary
Answers 3 multiple choice questions on Type I error, Type II error, confidence interval.
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1. A Type II error is committed when
a) we reject a null hypothesis that is true.
b) we don't reject a null hypothesis that is true.
c) we reject a null hypothesis that is false.
d) we don't reject a null hypothesis that is false.
Answer: a) we reject a null hypothesis that is true.
Accept Ho Reject Ho
Ho is True Correct Decision "Type I Error
"
Ho is False "Type II Error
" Correct Decision
2. A Type I error is committed ...
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