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gabbyalicorn
 one year ago
Brendan selected 10 sixthyear students in his school at random and asked each person how many years the person had lived at his or her current address. He recorded the results.
3, 8, 12, 9, 12, 8, 12, 4, 6, 12
What is the estimated mean number of years that a sixthyear student had lived at his or her current address?
A.
8.5 years
B.
8.6 years
C.
9 years
D.
12 years
gabbyalicorn
 one year ago
Brendan selected 10 sixthyear students in his school at random and asked each person how many years the person had lived at his or her current address. He recorded the results. 3, 8, 12, 9, 12, 8, 12, 4, 6, 12 What is the estimated mean number of years that a sixthyear student had lived at his or her current address? A. 8.5 years B. 8.6 years C. 9 years D. 12 years

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kropot72
 one year ago
Best ResponseYou've already chosen the best response.1Add the 10 numbers and divide the total by 10 to find the estimated mean. It is an estimate because the times have been rounded to the nearest year.

kropot72
 one year ago
Best ResponseYou've already chosen the best response.1What was your total number of years when you added the 10 numbers?

gabbyalicorn
 one year ago
Best ResponseYou've already chosen the best response.0which would be b if u round

kropot72
 one year ago
Best ResponseYou've already chosen the best response.1You need to redo your addition. Rounding is not necessary to get the answer.

gabbyalicorn
 one year ago
Best ResponseYou've already chosen the best response.0oh, okay. So not the answer.

kropot72
 one year ago
Best ResponseYou've already chosen the best response.1Could it be that you are guessing and that you did not add the 10 numbers?

kropot72
 one year ago
Best ResponseYou've already chosen the best response.1\[\large 3+8+12+9+12+8+12+4+6+12=?\]

kropot72
 one year ago
Best ResponseYou've already chosen the best response.1Yes. 86 is the total. Now divide 86 by 10.

gabbyalicorn
 one year ago
Best ResponseYou've already chosen the best response.08.6 which is B :D

kropot72
 one year ago
Best ResponseYou've already chosen the best response.1Yes, you are correct.
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