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following data are for independent variable X and dependent variable Y. Select the correct answers from the following ch

Posted: Sun Sep 05, 2021 5:03 pm
by answerhappygod
following data are for independent variable X and dependent
variable Y.
Select the correct answers from the following choices
( من الممكن ان تكون أكثر من إجابة صحيحة)

X
Y
4
2
4
2
9
3
3
4
6
8
8
12
a.
The error of prediction of X=8 is -2.3299
b.
Intercept = 0.659
c.
The error of prediction of X=8 is 4.97727
d.
There is a direct correlation between X and Y
e.
X and Y are independent
f.
Slope= 0.289
g.
Intercept = 4.175
h.
There is an inverse correlation between X and Y
i.
Slope= 0.795