Asked by Jackie Rojas on Apr 27, 2024
Verified
If a researcher wants a more precise confidence interval, which of the following would be calculated?
A) 99.9% confidence interval
B) 99% confidence interval
C) 95% confidence interval
D) 90% confidence interval
Confidence Interval
A range of values, derived from the sample statistics, within which there is a specified level of confidence where the true parameter lies.
- Identify the differences among confidence intervals at the 90%, 95%, and 99% levels.
- Grasp the connection between the level of confidence and the exactitude of the confidence interval.
Verified Answer
WL
Wesly LaguerreApr 30, 2024
Final Answer :
D
Explanation :
A more precise confidence interval is narrower, which can be achieved by choosing a lower confidence level, such as 90% compared to higher levels like 95% or 99%.
Learning Objectives
- Identify the differences among confidence intervals at the 90%, 95%, and 99% levels.
- Grasp the connection between the level of confidence and the exactitude of the confidence interval.
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