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photoshop1234 [79]
3 years ago
11

Please help me:( I really really appreciate it

Mathematics
1 answer:
devlian [24]3 years ago
3 0

Answer:

Its D please mark Brainliest.

Step-by-step explanation:


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A fitted multiple regression equation is Y = 28 + 5X1 - 4X2 + 7X3 + 2X4. When X1 increases 2 units and X2 increases 2 units as w
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Answer:

A. Increase by 2

Step-by-step explanation:

Given that a  fitted multiple regression equation is

Y = 28 + 5X_1 -4X_2 + 7X_3 + 2X_4

This is a multiple regression line with dependent variable y and independent variables x1, x2, x3 and x4

The coefficients of independent variables represent the slope.

In other words the coefficients represent the rate of change of y when xi is changed by 1 unit.

Given that x3 and x4 remain unchanged and x1 increases by 2 and x2 by 2 units

Since slope of x1 is 5, we find for one unit change in x1 we can have 5 units change in y

i.e. for 2 units change in x1, we expect 10 units change in Y

Similarly for 2 units change in x2, we expect -2(4) units change in Y

Put together we have

10-8 =2 change in y

Since positive 2, there is an increase by 2

A. Increase by 2

5 0
3 years ago
GIVING BRAINLESS HELP!!
aliina [53]

Jessica bought 2.25 yards more material than Derek.    Hope this helped!

4 0
3 years ago
Find the distance between (0, 0) & (3, 4). Round to the nearest tenth.
IrinaVladis [17]

Answer:

It's 5.

Step-by-step explanation: Please click the crown thing near my answer if correct!

3 0
2 years ago
97+(-27)+(-89)+(-54)
RUDIKE [14]

Step 1:

97+(-27)+(-89)+(-54)

Step 2:

= 97 - 27 - 89 - 54

Info:

(+) ×(-)=-

Step 3:

= 97 - 170

Step 4:

=  - 73✓

8 0
3 years ago
A cabinetmaker gets paid monthly at a rate of $350 A cabinetmaker gets paid monthly at a rate of $350 for each cabinet she compl
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If she only gets paid for each cabinet then I️t should be 6 x 350 so your answer is A.2100
3 0
3 years ago
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