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anonymous
 one year ago
When the outliers are removed, how does the mean change?
dot plot with 1 on 50, 1 on 76, 1 on 78, 2 on 79, 1 on 80, 1 on 81, 2 on 82, 1 on 83
The mean decreases by 3.
The mean increases by 2.
The mean increases by 3.
There are no outliers.
anonymous
 one year ago
When the outliers are removed, how does the mean change? dot plot with 1 on 50, 1 on 76, 1 on 78, 2 on 79, 1 on 80, 1 on 81, 2 on 82, 1 on 83 The mean decreases by 3. The mean increases by 2. The mean increases by 3. There are no outliers.

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sammixboo
 one year ago
Best ResponseYou've already chosen the best response.0First, let's find the mean of the whole data set. Do you know how to find the mean?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes, the mean of the whole thing is 68.8

Loser66
 one year ago
Best ResponseYou've already chosen the best response.1the mean of the whole thing is 77 after removing the outliers, the mean is 79.625 hence, it increases 3

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok, thanks but how did you get 77?

Loser66
 one year ago
Best ResponseYou've already chosen the best response.1+ them up, divides by 10

Loser66
 one year ago
Best ResponseYou've already chosen the best response.1ok, let do it together 50 < outlier +76 +78 +79 +79 +80 +81 +82 +82 +83 < outlier  770

Loser66
 one year ago
Best ResponseYou've already chosen the best response.1Take off outliers, it means 770  50 83= 637 divided by 8, \(637\div 8=79.625\)
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