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svlad2 [7]
3 years ago
12

A researcher is studying the effect of ten different variables on a critical measure of business performance. In selecting the b

est set of independent variables to predict the dependent variable, a forward selection method is used. How are variables selected for inclusion in the model?
A. Smallest p-value

B. Highest increase in the multiple r-squared

C. smallest coefficient

D. Largest p-value
Mathematics
2 answers:
Romashka-Z-Leto [24]3 years ago
7 0

Answer:

B. Highest increase in the multiple r-squared

Step-by-step explanation:

Forward selection is a type of stepwise regression which begins with an empty model and adds in variables one by one. In each forward step, you add the one variable that gives the single best improvement to your model.

We know that when more variables are added, r-squared values typically increase with probability 1. Based on this and the above definition, we select the candidate variable that increases r-Squared the most and stop adding variables when none of the remaining variables are significant.

Tasya [4]3 years ago
5 0

Answer:

D. Largest p-value

Step-by-step explanation:

P-value assists statistician to know the importance of their result. It assists them in determining the strength of their evidence.

A large P-value which is less than 0.05 depicts that an evidence is week against null hypothesis, therefore the null hypothesis must be accepted.

A small P-value <0.05 depicts a strong evidence against null hypothesis, so the null hypothesis must be rejected.

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baherus [9]

Answer:

Step-by-step explanation:

If the input is 2 and the output is 6, then f(x) = 3IxI

5 0
3 years ago
What is the change in temperature from -8°F to 14°F?
gizmo_the_mogwai [7]

Answer:

22 degrees, 1. 2 degrees, 2. 14 degrees, 3. 14 degrees, 4.30 degrees

Step-by-step explanation:

6 0
3 years ago
I’ll make brainlest. help asap pls
Liono4ka [1.6K]

Answer:

(2, -1)

Step-by-step explanation:

We can add the first equation by the second

(4x + 6y = 2)+(-4x + 4y = -12)=

10y=-10

we divide both sides by 10 to get

y=-1

We plug -1 in the second equation to get:

-4x+4(-1)=-12

-4x-4=-12

-4x=-8

Now, we divide both sides by -4

x=2

Hope this helps!

6 0
2 years ago
Please help me asap ​
Alex_Xolod [135]
The answer would be C
3 0
2 years ago
Please help! (image is for question 3)
nika2105 [10]

The formula for the total sum of the inner angles of the polygon is

Sn= (n-2) 180°

1) S6= (6-2) 180 = 4*180 = 720° In the hexagon all angles are equal

α= S6/6= 720/6= 120°

2) In each polygon the sum of the external angles is 360°

3) S5= (5-2) 180 = 540° than  we can add up all angles

x+131+108+107+110=540 => x= 540-456= 84°

4) α = 360/5=72°

Good luck!!!


6 0
3 years ago
Read 2 more answers
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