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ELEN [110]
3 years ago
8

Which of the following is true about multi-collinearity? Group of answer choices The P-value reduces significantly, leading to r

ejection of the null hypothesis. The effect of an independent variable on the dependent variable becomes difficult to isolate. It is measured using a measure called variance inflation factor (VIF). The regression coefficients become clearer and are easier to interpret.
Mathematics
1 answer:
julsineya [31]3 years ago
6 0

Answer:

It is measured using a measure called variance inflation factor (VIF).

Step-by-step explanation:

This is the statement that is true about multi-collinearity. Multi-collinearity is a situation that can sometimes arise when dealing with a multiple regression model. Multicollinearity refers to the occurrence of high intercorrelations among various independent variables. This can often lead to results that are skewed or misleading. The main way in which multi-collinearity can be measured is by using the variance inflation factor (IVF). This allows us to quantify the severity of multi-collinearity.

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Ilia_Sergeevich [38]

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Find f(4) when f(x)=4x^2 - 2 x - 4
prisoha [69]

Answer:

52

Step-by-step explanation:

f(x)=4x^2-2x-4

f(4)=4(4)^2-2(4)-4 (I replaced x with (4) since we are to find f(4).)

f(4)=4(16)-2(4)-4    (By the order of operations, we take care of the exponents before whatever else we have here.)

f(4)=64-8-4           (By the order of operations, we take care of the multiplication as we see if left to right.)

f(4)=56-4              (By the order of operations, we perform addition/subtraction as we see it left to right.)

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We could have also put this in our calculator as:

4(4)^2 -  2(4)  -  4

This would have returned 52.

8 0
3 years ago
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pychu [463]

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3 years ago
Using elimination method, what will be the value of y after solving -x - y = 5 and -x + 4y = 15?
natka813 [3]

9514 1404 393

Answer:

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Step-by-step explanation:

The variable x can be eliminated by subtracting the first equation from the second.

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