Exhibit 7-4 a Random Sample of 121 Bottles of Cologne Showed an Showed

Multiple Choice

Exhibit 7-4
A random sample of 121 bottles of cologne showed an average content of 4 ounces. It is known that the standard deviation of the contents (i.e., of the population) is 0.22 ounces.
-Refer to Exhibit 7-4. In this problem the 0.22 is

A) a parameter
B) a statistic
C) the standard error of the mean
D) the average content of colognes in the long run