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yuluvk
16.12.2020 •
Mathematics
10 POINTS PLEASE HURRY
Which of the scatterplots have no correlation? Check all that apply.
On a graph, points curve up and down.
On a graph, points are grouped together to form a horizontal cluster.
On a graph, points are grouped together to form a vertical cluster.
On a graph, points are grouped together and decrease.
On a graph, points are scattered over the graph.
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Ответ:
mean absolute deviation = ∑|(xₐ - mean )| ÷ n
where xₐ is every term in the data set
n is total number of terms
mean for the given data set = sum of all terms ÷ total number of terms =
130.9 ÷ 7 = 18.7
mean absolute deviation = ∑|(xₐ - mean )| ÷ n
mean absolute deviation == 23.6 ÷ 7 = 3.37