If a sample of data has mean of 20 and SD of 3, which of the following values is more than 2 SDs from the mean?  Choose the correct choice from the following choices
A) a. 12	B) b. 14.5	C) c. 17	D) d. 23.5	E) e. 25.5
Value ismore than 2SDfrom the mean means that the distance between the mean and the value must be more than 2SD=6. So the value either &lt; 20-6= 
<gadget id="calculator"> 20-6</gadget>
<output>14</output>
14 or &gt;  20+6= 
<gadget id="calculator">  20+6</gadget>
<output>26</output>
26.   a. 12nswer: a. 12.
<result>A</result>
If a sample of data has mean of 20 and SD of 3, which of the following values is more than 2 SDs from the mean?