Multiple Choice
When the level of confidence and sample standard deviation remain the same,a confidence interval for a population mean based on a sample of n = 100 will be ______________ a confidence interval for a population mean based on a sample of n = 50.
A) Wider than
B) Narrower than
C) Equal to
Correct Answer:
Verified
Correct Answer:
Verified
Q14: When sample size is 16, find t<sub>.10</sub>.
Q36: As the standard deviation (σ)decreases,the width of
Q37: In a manufacturing process a random sample
Q38: Researchers studied the role that the
Q40: A confidence interval increases in width as<br>A)The
Q42: A botanist measures the heights of
Q43: In a study of 265 subjects,the
Q44: The U.S.Department of Health and Human
Q45: A company is interested in estimating μ,the
Q46: Unoccupied seats on flights cause airlines