Essay
Simple random sampling has been used to obtain a sample of 81 elements from a population of size 500. The sample mean is 120, and the sample standard deviation is determined to be 36.
a.Estimate the standard error of the mean.
b.Develop an approximate 95% confidence interval for the population mean.
c.Estimate the population total.
d.Develop an approximate 95% confidence interval for the population total.
Correct Answer:
Verified
a.3.7 (rounded)
b.11...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
b.11...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q5: In a sample survey, it is common
Q24: A survey of a subset of a
Q36: Any method of sampling for which the
Q37: The error that occurs because a sample,
Q38: The entity on which data are collected
Q40: A version of cluster sampling in which
Q42: The following are the results of a
Q45: A list of the sampling units for
Q46: A number added to and subtracted from
Q46: Assume simple random sampling has been used,