What is the mean of the data set?
14,19,18,12,22,15,16,16,14,14,21,20

a. 16.75
b. 16.00
c. 17.75
d. 15.50

The answer is A.16.75, the way you have to find the mean is adding all the numbers in the data set. Example.                                                                              14,19,18,12,22,15,16,16,14,14,21,20 = 201                                                              then you would have to divide the the number you just got by the numbers in the data set [which is 12 just count the numbers in the data set].                                  201 ÷ 12 = 16.75. Which is the answer. hope i helped 'U' bye.