Data Set 7-4: a Set of Scores with a Mean

Multiple Choice

Data Set 7-4: A set of scores with a mean of 16 and a standard deviation of 3.
-Look at Data Set 7-4. What scores are so extreme they are made by only five percent of the population?

A) 11.00, 20.00
B) 11.18, 20.82
C) 10.12 21.88
D) none of the other alternatives are correct.