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rainbow_rocks03
 one year ago
3RD ONE.
For the data shown in the stemandleaf plot, what is the effect on the mean and median of adding the value 20 to the data set?
A.
The mean is decreased by about 0.1 and the median is decreased by 2.
B.
The mean is decreased by about 0.1 and the median is decreased by 3.
C.
The mean is decreased by about 0.15 and the median is decreased by 2.
D.
The mean is decreased by about 0.15 and the median is decreased by 3.
rainbow_rocks03
 one year ago
3RD ONE. For the data shown in the stemandleaf plot, what is the effect on the mean and median of adding the value 20 to the data set? A. The mean is decreased by about 0.1 and the median is decreased by 2. B. The mean is decreased by about 0.1 and the median is decreased by 3. C. The mean is decreased by about 0.15 and the median is decreased by 2. D. The mean is decreased by about 0.15 and the median is decreased by 3.

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Black_ninja123
 one year ago
Best ResponseYou've already chosen the best response.0What do you think the answer is?

Black_ninja123
 one year ago
Best ResponseYou've already chosen the best response.0do the mean without adding the extra 20 and when you get the answer than do it again with the extra 20 and see the difference and its not A

rainbow_rocks03
 one year ago
Best ResponseYou've already chosen the best response.0IDK what the answer is.

Black_ninja123
 one year ago
Best ResponseYou've already chosen the best response.0When you do the mean without the 20 its 22.56 and when you do it with the extra 20 its 22.41 22.5622.41=0.15 so it can't be a or b

rainbow_rocks03
 one year ago
Best ResponseYou've already chosen the best response.0oh I think I understand

Black_ninja123
 one year ago
Best ResponseYou've already chosen the best response.0And when you do the mean you get 23 but if you add the extra 20 you get 20 2023=3

Black_ninja123
 one year ago
Best ResponseYou've already chosen the best response.0Sorry i'm really horrible at explaining stuff
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