What is the average (arithmetic mean) of the numbers 21, 22, 23, 23, 24, and 25?  Choose the correct option
A) 23.0	B) 22.5	C) 21	D) 24	E) 23
{21, 22, 23, 23, 24, 25}={23-2,23-1, 23, 23,23+1,23+2} --&gt; the average = 23.   Answer: 23.
<result>E</result>
What is the average (arithmetic mean) of the numbers 21, 22, 23, 23, 24, and 25?