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
Yuri [45]
3 years ago
12

Which of the following are true about regression with one predictor variable (often called "simple regression")? A. After conduc

ting a hypothesis test to test that the slope of the regression equation is nonzero, you can conclude that your predictor variable, X, causes Y B. The standardized regression coefficient, beta, has the same value as r, the estimated correlation C. The intercept in the regression equation Y= a + bx is the value of Y when X is zero
Mathematics
1 answer:
jeyben [28]3 years ago
3 0

Answer:

A

Step-by-step explanation:

Simple linear regression is a statistical method that summarizes and study relationships between two continuous quantitative variables.

One variable is regarded as the predictor, explanatory, or independent variable and the other variable is regarded as the response, outcome, or dependent variable.

Two variables can be denoted by X and Y.

Among the given options, the correct option is A. After conducting a hypothesis test to test that the slope of the regression equation is nonzero, you can conclude that your predictor variable, X, causes Y

You might be interested in
Of the 50 US states four have names that start with the letter W? What percentage of the US states have names that start with th
zlopas [31]

8%

create a fraction of the 4 states out of 50 and multiply by 100% to express as a percentage, that is

\frac{4}{50} × 100% = \frac{400}{50} = 8%



7 0
3 years ago
Find the center and radius of the circle whose equation is x2 + y2 - 6x-2y+4= 0
marin [14]

Answer:

The center of the circle = (3, 1)

The radius of a circle is given as r = √6

Step-by-step explanation:

The equation of a circle is given as:

( x - a)² + (y - b)² = r²

where ( a , b) = center of the circle

r = radius of the the circle

In the question above, we are given the equation of a circle as

x² + y² - 6x - 2y + 4= 0

In order to find the center and radius of this circle we would use completing the square method to solve it

Step 1

Collect the like terms

x² - 6x + y² - 2y + 4= 0

Step 2

Complete the square for both x and y

x² - 6x + (-6/2)² + y² - 2y + (-2/2)² = - 4 +(- 6/2)² + (-2/2)²

x² - 6x + (-3)² + y² - 2y + (-1)² = -4 + (3)² + (1)²

x² - 6x + 9 + y² - 2y + 1 = -4 + 9 + 1

(x² - 6x + 9) + (y² - 2y + 1 )= -4 + 9 + 1

(x² - 3x - 3x +9) + ( y² - y - y +1) = 6

x(x - 3) -3( x - 3) + y( y - 1) - 1( y - 1) = 6

(x - 3) (x -3) +(y - 1) ( y - 1) = 6

(x - 3)²(y - 1)² = 6

Since,

The equation of a circle is given as:

( x - a)² + (y - b)² = r²

where ( a , b) = center of the circle

r = radius of the the circle

The equation of the the circle for the above question is calculated as:

(x - 3)²(y - 1)² = 6

where ( a , b) = center of the circle = (3, 1)

r = radius of the the circle

r² = 6

r = √6

8 0
3 years ago
(easy)
Andreyy89

Answer:

<h2>9 weeks</h2>

Step-by-step explanation:

Sol had $1535 in his savings

has been spending $30 each week for guitar lessons.

If his current balance is $1265

find:

how many weeks has he been taking lessons?

$1535 - $1265 = $270

<u>            $270      </u>  =  9 weeks

$ 30 per week

7 0
3 years ago
What is the output, or y-value, when you input x = 1 into the function:
Aleksandr [31]

Answer: y=-6

Step-by-step explanation:

By definition, a relation is a function if and only if each input value has one and only one output value.

For this exercise it is important to remember that thw "Input values"  are the values of the variable "x"and the "Output values"  are the values of the variable"y".

In this case you have the following function provided in the exercise:

y = x^4 - 2x^3 + x^2 + 4x - 10

Then, to solve this exercise, you need to follow these steps:

Step 1. You have to substitute x=1 into the function given.

Step 2. Finally, you must evaluate in order to find the corresponding output value (or the value of the variable "y")

You get that this is:

y = (1)^4 - 2(1)^3 + (1)^2 + 4(1) - 10\\\\y=-6

3 0
3 years ago
Jerri was using a recipe for a large cake that required one-fourth of a tablespoon of cinnamon. Instead of making one large cake
Sergeeva-Olga [200]

Im pretty sure you would put 1/12 tablespoon of cinnamon in the cakes individually. You would divide 1/4 by 3. It's pretty simple. If that's not the answer I apologize dearly!

8 0
3 years ago
Read 2 more answers
Other questions:
  • Matt has two very active dogs named Theia and Odin who need to eat extra snacks to increase
    13·1 answer
  • A culture started with 6,000 bacteria. After 6
    7·1 answer
  • The table below gives the number of hours ten randomly selected students spent studying and their corresponding midterm exam gra
    6·1 answer
  • a vehicle covers a distance of 36 km in 3.5 liters of petrol. how much distance will it cover in 2.5 liters of petrol
    9·1 answer
  • Rania is playing with her friend Arun, and they are setting dominoes across the room. Each domino is 2 inches long. They have al
    5·1 answer
  • Find the sum or difference of the polynomials. Write your answer in descending
    6·2 answers
  • Please help asap !!! In the graph shown above, which line has a slope value less than −2
    8·1 answer
  • What is the equation of the line that passes through (5,-2) and (-3, 4)?
    6·1 answer
  • What is the multiplicative identity of the complex number 4 + 8i
    12·1 answer
  • (b) Ivanna bought 9 pounds of flour for $5.<br> How many pounds of flour did she get per dollar?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!