If a sample of data has mean of 20 and SD of 3, which of the following values is more than 2.6 SDs from the mean?	Choose the most appropriate option.
A) 13 B) 14 C) 12 D) 15 E) 16
2.6 SD's mean is equal to: +/- 2.6*3 = +/- 7.8   ie. 12.2 to 27.8   Answer is: 12
<result>C</result>
If a sample of data has mean of 20 and SD of 3, which of the following values is more than 2.6 SDs from the mean?