Asked by Jenica Reams on Jul 12, 2024
Verified
When a sample size is decreased, the confidence interval for the mean is then ______.
A) narrowed
B) widened
C) more significant
D) less significant
Confidence Interval
A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter, providing a measure of uncertainty around a sample estimate.
- Recognize the relationship between sample size, standard error, and the width of confidence intervals.
Verified Answer
CP
Christian PerezJul 13, 2024
Final Answer :
B
Explanation :
When the sample size is decreased, the standard error of the mean increases, which causes the confidence interval to widen.
Learning Objectives
- Recognize the relationship between sample size, standard error, and the width of confidence intervals.
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