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AnnyKZ [126]
3 years ago
7

What is the answer ?

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
3 0

Answer:

-3x and -6x

Step-by-step explanation:

just multiply

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A professor obtains SAT scores and freshman GPA for a group of 15 college students with the hope that she can predict GPA using
kramer

The hypothesis test analyzes the null and alternative hypothesis of the

plausibility of a correlation between the SAT scores and GPA.

  • The hypothesis test that would be appropriate is <u>a hypothesis test that checks that the slope of the regression line is not zero</u>.

Reasons:

The data collected by the professor = The scores of the college students

The type of scores collected = SAT scores, and GPA scores

The test that would be appropriate for the example, is the  test for the

existence of a significant linear relationship between the input variable

(the SAT scores) and the output variable (the GPA)

The test is known as <u>the test for the slope of the regression line</u>

The equation of the regression line is; Y = B₀ + B₁·X

Where;

Y = The value of the GPA score (The dependent variable)

X = The value of the SAT score (The independent variable)

The test aims to check that the value the slope of the regression line is

much different from zero, such that there exist a correlation.

Learn more about hypothesis test for linear regression here:

brainly.com/question/13938204

4 0
2 years ago
Is 290.45 higher than 2867.5
tekilochka [14]
2867.5 is bigger

Even though they both show 5 numbers, the second one has only one decimal place versus 2 on the first

If you ignore the decimal, your left with
290 vs 2867

2867 is much bigger than 290 so this is the answer
5 0
2 years ago
Help pls for geometry!!
Olin [163]
The center of the circle is (1,1)
4 0
2 years ago
What is t + 0.03t in simplest form?
romanna [79]

That particular binomial expression can be simplified to . . . . . <em>1.03 t</em>


3 0
2 years ago
Children play a form of hopscotch called jumby. the pattern for the game is as given below.
zaharov [31]

Answer:

7t^2 + 21t

Step-by-step explanation:

You have 7 tiles of each t by t+3.

One tile has an area of

t * (t+3) = t^2 + 3t

So in total the area is

7* (t^2 + 3t)

7t^2 + 21t

5 0
3 years ago
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