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anzhelika [568]

3 years ago

12

When a dummy variable is included in a multiple regression model, the interpretation of the estimated slope coefficient does not

make any sense anymore.
a. True
b. False

1 answer:

disa [49]3 years ago

4 0

Answer: b. False

Step-by-step explanation:

A dummy variable is a numerical variable used in regression analysis to represent values for categorical data by using value 0 (shows absence of particular category) or 1 (shows presence of particular category) .
We cannot use categorical data to evaluate the slope coefficient (numerical value) until we convert them into dummies.

Hence, the given statement is absolutely false.

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Y=3x−5 and y=x−1 Is (2,1) a solution of the system?

zlopas [31]

Answer:

Yes (2,1) is a solution to the equation

Step-by-step explanation:

7 0

3 years ago

Solve for p. 20p + -5p – -17 = -13

STatiana [176]

$20p + -5p - -17 = -13$

$20p + -5p - -17 = -13:p$ $|Solve \ for \ p|$

$20p-5p+17=-13$

$
15p+17=-13
 
$

$
15p=-13-17
 
$ $|Subtract \ 17 \ from \ both \ sides|$

$
15p=-30
 
$

$
15p/15=-30/15
 
$ $|Divide \ both \ sides \ by \ 15|$

$
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8 0

3 years ago

Read 2 more answers

1.) Maggie has a collection of 1,200 Pennies. Of these, 25% are dated before 1980, 35% are dated from 1980-

Strike441 [17]

Answer:

rest of them (40%)

Step-by-step explanation:

4 0

3 years ago

What was the total production of gasoline and kerosene combined (in Barrels)

Elina [12.6K]

The amount of kerosene and gasoline produced is an illustration of equations.

<em>44.4 million barrels of gasoline and kerosene are produced</em>

Let

<em /> $x \to$ <em> Proportion of kerosene</em>

<em /> $y \to$ <em> Proportion of Gasoline</em>

<em />

So:

$x = 40\%$

$y = 34\%$

$Total = 60\ million$ ---- total barrels produced

The amount of Kerosene produced is:

$Kerosene =x \times Total$

$Kerosene =40\% \times 60\ million$

$Kerosene = 24\ million$

The amount of Gasoline produced is:

$Gasoline =y \times Total$

$Gasoline =34\% \times 60\ million$

$Gasoline =20.4\ million$

So, the total production of both is:

$Total = Kerosene + Gasolene$

$Total = 24\ million + 20.4\ million$

$Total = 44.4 million$

<em>Hence, 44.4 million barrels of gasoline and kerosene are produced</em>

Read more about equations at:

brainly.com/question/21105092

8 0

3 years ago

Two dice are rolled simultaneously and the difference of the numbers are

zavuch27 [327]

Answer:

Step-by-step explanation:

you can draw a table that has 7 rows and 7 columns, put the 6 numbers and their difference( 1-1=0, 1-2= -1, 1-3= -2,...)

- 1 2 3 4 5 6

1 0 1 2 3 4 5

2 -1 0 1 2 3 4

3 -2 -1 0 1 2 3

4 -3 -2 -1 0 1 2

5 -4 -3 -2 -1 0 1

6 -5 -4 -3 -2 -1 0

8 0

3 years ago