Exhibit 12-7 You Want to Test Whether or Not the Following Sample

Multiple Choice

Exhibit 12-7
You want to test whether or not the following sample of 30 observations follows a normal distribution. The mean of the sample equals 11.83, and the standard deviation equals 4.53.
-Refer to Exhibit 12-7. The number of intervals or categories used to test the hypothesis for this problem is

A) 4
B) 5
C) 6
D) 10