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. Use Excel to develop a regression model to fit the trend effects for these data. Use a linear model and then try a quadratic model. How well does

. Use Excel to develop a regression model to fit the trend effects for these data. Use a linear model and then try a quadratic model. How well does either model fit the
data?
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8420575.xlsx

a
% working % mgmt
67
45
73
54
61 49
21
65
47
33 70
60 f(x) = 1.3x - 35
R² = 0.7242857143 50
40
30
20
10
0
40 45 b
the scatterplot shows that both varaibles are positively related.
c
d
the...

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