Multiple Choice
When calculating the confidence interval, if the population standard deviation is not known, it is replaced in the confidence interval boundary formula with ______.
A) the sample range
B) the sample standard deviation
C) n - 1
D) A confidence interval should not be computed if the population standard deviation is unknown.
Correct Answer:
Verified
Correct Answer:
Verified
Q4: You should use a 95% confidence level
Q5: You randomly draw a sample of n
Q6: You should use a 100% confidence level
Q7: Point estimates provide a perfect representation of
Q8: A 99% interval will always be wider
Q10: Which of the following situations would provide
Q11: A single "best guess" from a sample
Q12: You randomly select a sample of n
Q13: You cannot calculate a confidence interval if
Q14: If you randomly select a sample of