A real estate agent would like to predict the selling price of a single-family house by predicting the price (in thousands of dollars) based on the square footage (in 100 square feet). If the LSRL for the data is ŷ = 3.8785x + 18.3538. Predict the price of a 3000 square foot house (in thousands of dollars).

Respuesta :

Answer:

$134.7088 thousand dollars

Step-by-step explanation:

The given equation of Least Squares Regression Line is

[tex]\hat{y}=3.8785x+18.3538[/tex]

where, [tex]\hat{y}[/tex] is predicted selling price of the house (in thousands of dollars) based on the square footage (in 100 square feet).

We need to find the price of a 3000 square foot house (in thousands of dollars).

3000 = 30 × 100

3000 square foot = 30 square footage (in 100 square feet).

Substitute x=30 in the given equation.

[tex]\hat{y}=3.8785(30)+18.3538[/tex]

[tex]\hat{y}=116.355+18.3538[/tex]

[tex]\hat{y}=134.7088[/tex]

Therefore, price of a 3000 square foot house is $134.7088 thousand dollars.

By putting values in given equation we got that If the LSRL for the data is ŷ = 3.8785x + 18.3538. then the price of a 3000 square foot house (in thousands of dollars) is 134.7088

What is linear equation ?

Linear equation is equation of one degree

Here given that

LSRL for the data is ŷ = 3.8785x + 18.3538

Where  ŷ  is predicted selling price of the house in thousands of dollars based on the square footage in 100 square feet .

Now we have to find price of a 3000 square foot house

We know 3000 = 30 [tex]\times 100[/tex]

So price of a 3000 square foot house can be calculated as

ŷ = 3.8785(30) + 18.3538

ŷ=116.355+18.3538

ŷ=134.7088

By putting values in given equation we got that If the LSRL for the data is ŷ = 3.8785x + 18.3538. then the price of a 3000 square foot house (in thousands of dollars) is 134.7088

To learn more about linear equation visit : https://brainly.com/question/14323743