1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sergio039 [100]
3 years ago
14

The difference between the observed value of the dependent variable and the value predicted using the estimated regression equat

ion is known as the a. error term. b. constant term. c. model parameter. d. residual
Mathematics
1 answer:
Elenna [48]3 years ago
7 0

Answer:

For this case we define the dependent variable as Y and the independent variable X. We assume that we have n observations and that means the following pairs:

(x_1, y_1) ,....,(x_n,y_n)

For this case we assume that we want to find a linear regression model given by:

\hat y = \hat m x +\hat b

Where:

\hat m represent the estimated slope for the model

\hat b represent the estimated intercept for the model

And for any estimation of the dependent variable \hat y_i , i=1,...,n is given by this model.

The difference between the observed value of the dependnet variable and the value predicted using the estimated regression equation is known as residual, and the residual is given by this formula:

e_i = y_i -\hat y_i , i=1,...,n

So the best option for this case is:

d. residual

Step-by-step explanation:

For this case we define the dependent variable as Y and the independent variable X. We assume that we have n observations and that means the following pairs:

(x_1, y_1) ,....,(x_n,y_n)

For this case we assume that we want to find a linear regression model given by:

\hat y = \hat m x +\hat b

Where:

\hat m represent the estimated slope for the model

\hat b represent the estimated intercept for the model

And for any estimation of the dependent variable \hat y_i , i=1,...,n is given by this model.

The difference between the observed value of the dependnet variable and the value predicted using the estimated regression equation is known as residual, and the residual is given by this formula:

e_i = y_i -\hat y_i , i=1,...,n

So the best option for this case is:

d. residual

You might be interested in
Kiera takes piano lessons and currently knows 6 pieces. She learns two new pieces each week.
Marrrta [24]

Answer:

中禾秝秝棕色

對他在售價將其所台

Step-by-step explanation:

女4自?日

3 0
3 years ago
Which side lengths form a right triangle?Choose all answers that apply: (Choice A) 2 , 1 5 , 1 7 Choice B) 1 , 8 , square root o
iren [92.7K]

Answer:

B, but I can't read C

Step-by-step explanation:

the sum of any 2 sides must be longer that the 3rd.

A is not correct, 2 + 15=17, needs to be greater.

B 1, 8, 8.1 so yes as 1+8 >8.1

C 2, 8.9, I cna't tell if that last number is 9 or 92?

6 0
3 years ago
The son is 20 years younger than the father, and 5 years ago he was 5 times younger than him. How old is each of them?
Hatshy [7]

Answer:

wdym

Step-by-step explanation:

8 0
3 years ago
The courtyard outside East Middle School is in the shape of a rectangle and half-circle.
Nadya [2.5K]

Answer:

The correct option is the third one counting from the top. (5892 m^2)

Step-by-step explanation:

First, we need to remember that:

For a rectangle of length L and width W, the area is:

A = L*W

For a circle of diameter D, the area is:

A = pi*(D/2)^2

Where pi = 3.14

In the image, we can see a rectangle and half a circle, the total area of the image will be equal to the area of the rectangle plus the area of the half circle.

In the image, we can see a rectangle of length L = 100m and width W = 50m

Then the area of the rectangle is:

A = 100m*50m = 5000m^2

And we can see that for the half-circle the diameter is D = 50m

Note that the area of a half-circle is half of the area of a complete circle, then the area of that half-circle is:

A = (1/2)*(3.14*(50m/2)^2) = 981.25 m^2

If we add these two areas we get:

Total area =  5000m^2 + 981.25 m^2 = 5981.25 m^2

If we round it up, we get:

Total area = 5982 m^2

The correct option is the third one counting from the top.

8 0
2 years ago
When using fraction strips ,how do you know that 2 fractions are equivalent
Zigmanuir [339]
When the longer strip is on top and the litter strips fit perfectly under the longer one. For example, the fraction 1/3 and 3/6. One longer strip will be on the top representing 6. Then 3 litter 3s will be under that perfectly
5 0
3 years ago
Other questions:
  • A BMW car on a truck weighs 20 tons plus 1 ton per cubic yard of x cubic yards of spares that it carries. The total weight of a
    14·2 answers
  • What’s the soulution to A+4=14
    13·1 answer
  • Mining is considered the _ job in the United States
    6·2 answers
  • Jamie go shopping for Christmas and saves $27.75 with a 15% off coupon what was her total bill
    7·1 answer
  • The following set of ordered pairs of the form (x,y) lie on the graph of a function of x. {(0, -1), (1, 2), (2, 5), (3, 8)} Whic
    6·1 answer
  • There are nine judges on the Supreme Court, and for most rulings, a majority is needed. How many combinations of votes are possi
    8·1 answer
  • Gia researches online that her car is worth $3,000. She hopes to sell it for 85% of that value, but she wants to get at least 70
    9·2 answers
  • Simplify 2x4 a_3 =16a÷8 1_a​
    9·1 answer
  • Is second term of a geometric series is 48 and it's fifth term is 6 then find the sum of the first 6 terms.​
    5·1 answer
  • Marissa deposited $3,900 into a savings account. How much will Marissa have in her account after 7 years and 6 months at a yearl
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!