CHALLENGE ACTIVITY 2.3.2: Excel: Linear Regression

Answers

Answer 1

Three main implications for linear regression analysis are as follows:

(1) determining the strength of the predictor, (2) foreseeing an impact, and (3) trend forecasting.

Linear regression:

A fundamental and popular technique for predictive analysis is linear regression. Regression's overarching objective is to look at two things:

Accurately can a group of predictor variables forecast an outcome (dependent) variable.

Factors in particular, and how do they affect the outcome variable, are strongly predictive of both.

There are three main functions for regression analysis:

Assessing predictor power, foreseeing an outcome, and trend forecasting.

The regression equation's simplest version, y = c + b*x, has one dependent and one independent variable.

where,

y is the estimated score for the dependent variable, c is a constant, b is the regression coefficient, and x is the estimated score for the independent variable.

To know more about the linear regression, here

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Related Questions

please help i have not been paying attention to the last few classes so im confused​

Answers

There is no solution

3
Michael split
pounds of candy among 8 people.
What is the unit rate in pounds per person?
Write your answer in simplest form.

Answers

Answer:

1/8

Step-by-step explanation:

The question is incomplete, here is the complete question

Michael split 3/4

pounds of candy among 8 people.

What is the unit rate in pounds per person?

Write your answer in simplest form

SOLUTION:

Micheal splits 3/4 candy among 8 people

Therefore the unit rate per pounds per person can be calculated as follows

= 3/4 ÷ 8

= 3/4 × 1/8

= 3/24

= 1/8

Hence the unit per pound per person is 1/8

12 = 6y - 36
Solve for y

Answers

Answer:

y=8

Step-by-step explanation:

add 36 to 12. then divide 48 (the result) by 6 to get 8

Answer:

Y=8

Step-by-step explanation:

12 = 6 x y - 36

12=6 x 8 - 36

12 = (6x8) - 36

12 = 48 - 36

Y= 8

Hope this helps

Mark brainliest if it helps.

in angle abcd if b=50 find the other angles ​

Answers

Answer:

angel abcd is not possible

Answer:

can u show the angels?

Step-by-step explanation:

30 is 85 percent of what number?

Answers

Divide 30 by 85%

30/0.85 = 35.29411765

Answer:

35 5/17 or 35.29411765

Step-by-step explanation:

30 times 100 divided by 85

I know this is easy but I got a diff answer so pls help. Worth 5 points

Answers

Step-by-step explanation:

[tex] \frac{5}{8} \times \frac{3}{2} \div \frac{15}{16} \\ \frac{15}{16} \times \frac{16}{15} \\ = 1[/tex]

Answer:

1

Step-by-step explanation:

5/8 x 1 1/2 / 15/16 = 1                        (5/8 / 15/16 = 2/3,   2/3 x 1 1/2 =1 )

Sarah's mother gives her $25 for each A she gets on her report card and $10 for each B. If Sarah's mother gave her $80 and Sarah had 3 B's, how many A's did she have on her report card?

Answers

Answer:

2 A"s

Step-by-step explanation:

You take 80-30 and are left with 50 so you divide that by 25 and get 2

someone pls help me 10 points

Answers

The answer to the system of equationsis (-3,-1)
-3,-1 is the anwser to it

11w+5w-1=65w-36
Ayuden poniendo tambien el procedimiento plis

Answers

Answer:

w=1.4

Step-by-step explanation:

11w+5w-1=65w-36

16w-1=65w-36

16w-65w= -36+1

-49w= -35

w= -35/-49

w= 1.4

How many units down does susan need to move to get to the fourth point on the number line a. 1/2 b. 3/2 c. 2 d. 4 e. 6

Answers

Answer:

e. 6

Step-by-step explanation:

Hello there!, since there is no prior information concerning the activities performed by Susan, I will explain what a number line is and try as much as possible to answer your question from the definition.

A number line is a line on which integers are usually drawn as points separated by a uniform distance. This way, the number line makes addition and subtraction easier, which is very useful when you want to teach someone these operations.

Now, let assume Susan starts from 0 on the number line, to get to the fourth point, Susan needs to move 4 blocks, where each block contains 10 units.

Now, let's assume that Susan is at the third block and the fourth unit, it will take Susan an additional 6 units to get to the fourth point.

NOTE: The solution to this question was provided based on assumption since no much information was given in the question.

Evaluate the expression 30 + 10 -10

Answers

The answer is 30 the +10 and -10 cancel each other out

A boat which moves a 15 miles per hour without a current goes 36 miles upstream and 36 miles back in 5 hours. Find the speed of the current

Answers

Answer:

3 mph

Step-by-step explanation:

UPSTREAM:

distance = 36 miles ;

Speed = 15-c mph ;

TIME, t = distance / speed = 36/(15-c)

Downstream :

distance = 36 miles ;

speed = 15+c mph ;

time, t = 36/(15+c)

upstream time + downstream time = 5 hrs

36/(15-c) + 36/(15+c) = 5

36(15+c) + 36(15-c) = 5(15-c)(15+c)

1080 = 5(225 - c²)

1080 / 5 = 225 - c²

216 = 225 - c^2

216 - 225 = c²

-9 = c²

c = 3

How much would a house cost today if it cost $100,000 2 years ago before a 4% increase each year in housing prices?

Answers

Answer:

100000 × 1.04 × 1.04

Step-by-step explanation:

108160

Hey can someone please help me with this

Answers

Answer:

Esteban

Step-by-step explanation:

What does this add up to 5/27 + 1/27 =

Answers

Answer:

6/27

Step-by-step explanation:

Answer:

2/9

Step-by-step explanation:

5/27+1/27=6/27

reduced to lowest denominator

(divide top & bottom by 3)

2/9

Three runners in a relay race share the 8-mile distance equally. How many miles does each runner travel?

Answers

Answer: 2 2/3 miles

Step-by-step explanation:

From the question, we are informed that three runners in a relay race share the 8-mile distance equally.

The number of miles that each runner travel will be the total miles divided by number of runners. This will be:

= 8/3

= 2 2/3 miles

Does anyone know composite functions?

Answers

Download Socratic , 9 times out of 10 you’ll get all the answers you’re looking for unlike on this app

One side of a fence is 22 feet long. If 3 feet = 1 yard, how many yards long is the fence?

Answers

7.3333... is the correct answer22 ÷ 3 = 7.3333...Please let me know if I am wrong.
LANA DEL RAY KNOWS THE ANSWER
SHE KNOWS IT

Justin is evaluating the expression 12.5 + 3.8 x, when x is 7.9. 12.5 + 3.8 (7.9). 16.3 (7.9). 128.77. What was Justin's error? Justin should have multiplied 12.5 and 7.9 first. Justin should have added 12.5 and 7.9 first. Justin should have multiplied 3.8 and 7.9 first. Justin should have added 3.8 and 7.9 first.

Answers

Answer: Justin should have multiplied 3.8 and 7.9 first.

Step-by-step explanation:

Given the equation

12.5 + 3.8x

where, x = 7.9, the first thing that Justin's should have done was to multiply 3.8 and 7.9 first. This will be:

= 12.5 + 3.8x.

= 12.5 + 3.8(7.9)

= 12.5 + 30.02

= 42.52

Answer: (C) Answer: Justin should have multiplied 3.8 and 7.9 first.

Step-by-step explanation: Read person above(just making sure it's correct)

Molly bought 10 bags of the same dog food. She had a coupon for $5. She spent a total of $65. Write an equation to determine the cost of each bag of dog food
STEP IT OUT:

Answers

Answer:

7

Step-by-step explanation:

Molly bought 10 bags of the same dog food. She had a coupon for $5. She spent a total of $65. How much money was each bag of the dog food?

example:

ositive numbers

numbers greater than zero

Negative Numbers

numbers less than zero

Integers

whole numbers and their opposites

Absolute Value

The distance a number is from zero on a number line. ALWAYS POSITIVE

equation

A mathematical sentence that contains an equals sign.

more examples:

9- (-9)=

18

121 / -11

-11

2(n + 5) = −2

-6

9

−9x + 1 = −80

253 + 234=

487

−15 = −4m + 5

5

8n + 7 = 31

3

Hope this helps bsf

What is the surface area of this right rectangular prism?

Enter your answer in the box.

in²

A rectangular prism with a length of 3 inches, a width of 1 inch, and a height of 2 inches.

Answers

Answer: Here's what I got:

Step-by-step explanation:

Is this what you wanted? My answer is A=22in²

Here's how I got it:

A=2(wl+hl+hw)=2·(1·3+2·3+2·1)=22in²

This was right? Make sure to like and rate! Appericate it.

Answer:

 A=22in²

Step-by-step explanation:

A=2(wl+hl+hw)=2·(1·3+2·3+2·1)=22in²

que es una expresión algebraica​

Answers

Answer:

En matemáticas, una expresión algebraica es una expresión construida a partir de constantes enteras, variables y operaciones algebraicas (suma, resta, multiplicación, división y exponenciación por un exponente que es un número racional).

Step-by-step explanation:

expand using exponential form a.) 1492.034 b.) 1200.36​

Answers

Answer:

Step-by-step explanation:

Expanded Exponential Form:

1,492.034 =

1 × 10^3

+ 4 × 10^2

+ 9 × 10^1

+ 2 × 10^0

+ 0 × 10^-1

+ 3 × 10^-2

+ 4 × 10^-3

Expanded Exponential Form:

1,200.36 =

1 × 10^3

+ 2 × 10^2

+ 0 × 10^1

+ 0 × 10^0

+ 3 × 10^-1

+ 6 × 10^-2

Evaluate the expression when x = 2.5 and y = 6.
5xy

Answers

Answer:

75

Step-by-step explanation:

5(2.5)(6)

5*2.5*6

=75

Answer:

75

Step-by-step explanation:

5*(6x2.5)

6x2.5=15

15x5=75.

What is the area of the composite figure?
65 cm2
52.5 cm2
40 cm2
60 cm2​

Answers

Answer:

65 cm²

Step-by-step explanation:

follow for more on my id

Answer:

65 cm I just took the test

Step-by-step explanation:

Find g(f(-1)).
gf-1)) =(

Answers

Answer:

sorry i dont know this one! :)

it does not make any scene.

Step-by-step explanation:

Answer:

is this even math

Step-by-step explanation:

mindy bought five eights of almonds and three forths of walnuts witch pair of fractions cannot be used to find how many pounds of nuts she bought in all

Answers

Answer:

9

Step-by-step explanation:

I'M TELLING U THE ANSWER IS 9

Do the ratios 4/2 and 10/5 form a proportion? Yes or no

Answers

Answer:

These are both 20 so that means that this is proportional, yes.

Step-by-step explanation:

Hi.

To figure this out we can do something called cross multiplying to find a cross product. If we do this and our two answers are equal then it is indeed a proportion.

Here is how we do this.

[tex]\frac{4}{2}[/tex]    [tex]\frac{10}{5}[/tex]

So basically what we are doing is multiplying across in a diagonal direction.

Diagonal meaning like a slash / .

So in this case we would multiply the 4 and the 5 , since they're diagonal from each other.

Do the same for the 2 and the 10.

So we have to multiply :

4 x 5

2 x 10

=

20

These are both 20 so that means that this is proportional, yes.

Hope this helps.

If you have any questions or concerns feel free to message me.

Yes the ratios 4/2 and 10/5 form a proportion.

What is Ratio?

A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0. A proportion is an equation in which two ratios are set equal to each other.

To figure this out we can do something called cross multiplying to find a cross product. If we do this and our two answers are equal then it is indeed a proportion.

4/2, 10/5

So basically what we are doing is multiplying across in a diagonal direction.

Diagonal meaning like a slash.

So in this case we would multiply the 4 and the 5 , since they're diagonal from each other.

Do the same for the 2 and the 10.

So we have to multiply :

4 x 5

2 x 10

=20

Hence these are both 20 so that means that this is proportional, yes.

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What is the slope of the line?
$
2
45
6>x
-3

Answers

Step-by-step explanation: i am pretty sure it is 1

Ahh- yes—- I need help, again-

Answers

the 3rd answer for this problem
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