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NeX [460]
3 years ago
7

Plzzzz asappp help thanks

Mathematics
1 answer:
Sonja [21]3 years ago
7 0

Answer:

I might not be right but try following the steps in the screen shot

Also the answer is in the screenshot

Step-by-step explanation:

I tried my best. :>

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(2 points) The least squares method requires that the variance σ2????σϵ2 of the error variable ????ϵ is a constant no matter wha
attashe74 [19]

Answer:

C. heteroscedasticity

Step-by-step explanation:

The  OLS regression assumption of error variance being constant irrespective of independent variables, is called Homoscedasticity.

Var (u | x) = σ^2 (u) ;

where u = error term, x = independent variable, σ^2 (u) = constant error variance

The violance of this assumption ie Var (u | x) is related to independent variable x, is called Heteroscedasticity.

6 0
4 years ago
four friends go out for lunch. Each person orders 1 drink for 1.50 and 3 tacos. the total cost for all 4 people is $24. what is
oee [108]

Answer:

$4.5

Step-by-step explanation:

First, multiply 1.50 by 4 (since that how many friends there are)

1.5 * 4 = 6

Second, subract 24 by 6

24 - 6 = 18

Finally, divide 18 by 4

18 / 4 = 4.5

And there, the answer is $4.5. Hoped this helped :))

3 0
2 years ago
A baseball player hits a ball toward the outfield. The height h of the ball in feet is modeled by h(t) = -16t2 + 22t + 3, where
Roman55 [17]
h(t)=-16t^2+22t+3\\(0)=-(8t+1)(2t-3)\\8t+1=0:2t-3=0\\8t=-1:2t=3\\t=\frac{-1}{8}:t=\frac{3}{2}

1.5 seconds
4 0
3 years ago
PLEASE HELP!
morpeh [17]
.75 = 3/4
3.75 = 3 + 3/4

Therefore, the answer is C.
4 0
4 years ago
Read 2 more answers
LAST ATTEMPT IM MARKING AS BRAINLIEST!! (Draw a dilation of the figure using the given scale factor )
JulijaS [17]
A' = (0,0)
B' = (1,1)
C' = (3,0)
D' = (1,-1)

5 0
3 years ago
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