Moderate

95% confidence limits u are ________________?

Correct answer: C. x±1.96 6/√n

  • A. x±1.65 6/√n
  • B. u±1.95 S/√n
  • C. x±1.96 6/√n
  • D. ±1.96 6/√n

Explanation

For a 95% large-sample confidence interval for μ, use x̄ ± 1.96σ/√n. The value 1.65 corresponds approximately to a 90% two-sided interval, while 1.95 is not the standard critical value.

Last updated

Practise Estimation

21 free Estimation MCQs from Statistics, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Statistics questions like this

Statistics is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.

Related questions