Exhibit 22-2 A Simple Random Sample of 43 Elements Has Been Selected

question 50

Multiple Choice

Exhibit 22-2
A simple random sample of 43 elements has been selected from a population of size 800. The sample mean is 500, and the sample standard deviation is 60.
-Refer to Exhibit 22-2. The standard error of the mean is

• A)9.2
• B)43.0
• C)1.6
• D)8.9