A confidence interval provides:

A An exact value

B A range of plausible values for a population parameter with a specified level of confidence

C The sample mean only

D Standard deviation

✓ Correct Answer: Option B

95% CI: if we repeated sampling many times, 95% of calculated intervals would contain the true parameter. CI = point estimate ± margin of error. Width depends on confidence level, SD, and sample size.

💡 Why is B) the correct answer?

The correct answer to the question "A confidence interval provides:" is Option B: A range of plausible values for a population parameter with a specified level of confidence.

The other options — A) An exact value, C) The sample mean only, D) Standard deviation — are incorrect for this Pre-MBA Exam Prep question. As explained above: 95% CI: if we repeated sampling many times, 95% of calculated intervals would contain the true parameter. CI = point estimate ± margin of error. Width depends on confidence level, SD, and sample size.

📚 About This Pre-MBA Exam Prep Practice Question

This 2-level Pre-MBA Exam Prep question from the Statistics topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free Pre-MBA Exam Prep practice test or use flashcards for spaced repetition review.

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A confidence interval provides:

✓ Correct Answer: Option B

📚 About This Pre-MBA Exam Prep Practice Question

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