OpenStudy (anonymous):

What is the mean of this set of data? Express your answer as a decimal number, rounded to the hundredths place. 10 11 12 12 15 19 20 21 22 Not looking for straight up answers, just steps, any help is appreciated (:

OpenStudy (anonymous):

Add all of the numbers together.

OpenStudy (anonymous):

Then divide that number by 9

OpenStudy (goldphenoix):

The mean is 15.78.

OpenStudy (anonymous):

Round to the hundredths place

OpenStudy (anonymous):

@jasmine.mirandaa got it?

OpenStudy (goldphenoix):

If you want to find a mean (average) in any set, you want to add up all of the number. Then divide it by the amount of number in the set (9). This will give you to the hundredths, 15.78.

OpenStudy (anonymous):

@cellogirl yes thank you (: and @GoldPhenoix thank you for your help as well (: