Essay
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A corporation has 30 outlets in the North,40 in the South,60 in the Midwest,and 45 in the West.Using a proportional allocation of a random sample of 20% of the outlets,the manager records the following means and standard deviations.
-For a sample of 126 observations from a population of 873,the sample mean is 17.2 and the sample standard deviation is 2.4.Create a 99% confidence interval for the population mean.
Correct Answer:
Verified
=
×
=
×
= 0.03916;he...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
=
×
=
×
= 0.03916;he...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q86: A sales representative has 798 accounts.She wants
Q87: An unbiased estimator of the variance of
Q88: THE NEXT QUESTIONS ARE BASED ON THE
Q89: THE NEXT QUESTIONS ARE BASED ON THE
Q90: In order to take a simple random
Q92: In stratified random sampling,it is necessary to
Q93: An unbiased estimation procedure for the variance
Q94: THE NEXT QUESTIONS ARE BASED ON THE
Q95: THE NEXT QUESTIONS ARE BASED ON THE
Q96: THE NEXT QUESTIONS ARE BASED ON THE