Question

If the mean of a given data set is 20.6 and the standard deviation is 2.2 ,where will a majority of data lie :
A) 18.4 TO 22.8

B)20 to 21

C)18.4 TO 20.6

If you can please tell me how you arrived at your answer. Thanks in advance .

Answer 1

If you're paying attention in your statistics class, you know that about 68% of the data lies within one standard deviation of the mean. That is, between
.. 20.6 -2.2 = 18.4
and
.. 20.6 +2.2 = 22.8

Selection A is appropriate.

Answer 2

Answer:the answer is A

Step-by-step explanation:just did the assignment