Answer: You didn't add a picture to help
Step-by-step explanation:
Once you do, I would be glad to edit my and help.
Answer:
D) collinearity
Step-by-step explanation:
Collinearity occurs when a few of the independent variables are related or match up. Collinearity increases the large proportion the variance of an estimated regression coefficient which leads to certain regression coefficient having wrong signs. It is used to explain the relationship between two variables.
6.r_xaxis=(x,-y)
7.first option
See attachment for your problem set up.
Answer:
2
+ -2
= 0
Step-by-step explanation:
1st step convert into improper fraction:
===> 2
+ -2
===>
+ 
2nd step now adding the numbers:
( Plus sign and minus sign multiplies and hence the plus sign changes to minus)
===> 
Therefore the sum of 2
+ -2
= 0