Exhibit 7-1
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 7-1. 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

Question

Quizplus · Accepted Answer

The 0.22 is a parameter because it is a numerical value that describes a characteristic of the population (the standard deviation of the contents of all cologne bottles).

Exhibit 7-1 a Random Sample of 121 Bottles of Cologne Showed an Showed