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. At 95% confidence, the conclusion of the test is that the

A) data follows a normal distribution
B) data does not follow a normal distribution
C) test is inconclusive
D) None of these alternatives is correct.