Multiple Choice
Exhibit 22-3
From a population of size 600, a simple random sample of size 58 is selected. The sample mean is 400, and the sample standard deviation is 40.
-Refer to Exhibit 22-3. An approximate 95% confidence interval for the population mean is
A) 395 to 405
B) 380 to 420
C) 360 to 440
D) 390 to 410
Correct Answer:
Verified
Correct Answer:
Verified
Q2: An unbiased estimate of the population total
Q47: Cluster sampling is<br>A)a nonprobability sampling method<br>B)the same
Q48: Exhibit 22-1<br>A simple random sample of size
Q49: A method of selecting a sample by
Q50: Exhibit 22-2<br>A simple random sample of 43
Q51: A company has 600 employees. A random
Q54: The following are the results provided by
Q55: Exhibit 22-3<br>From a population of size 600,
Q56: The advantage of nonprobabilistic sampling is that
Q57: Conclusions drawn from a sample survey<br>A)apply only