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Step2247 [10]
3 years ago
11

In a simple linear regression study between two variables x ( the independent variable) and y (the dependent variable), a random

large sample is collected and the coefficient of correlation r = −.98 is calculated. Which of the following conclusion may be made? Which is right choice.
A) x and y are almost perfectly correlated, and y increases as x is increased.
B) x and y are moderately correlated, and y increases as x is increased.
C) x and y are almost perfectly correlated, and y decreases as x is increased.
D) x and y are very poorly correlated since r close to -1.
Mathematics
1 answer:
Gwar [14]3 years ago
4 0

Answer:

Yo

Step-by-step explanation:

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2 years ago
Please help me
yKpoI14uk [10]

9514 1404 393

Answer:

  A)  5x+12 = -12x-12

  D)  5x+12 = -5x-12

Step-by-step explanation:

If you subtract the right side expression from both sides, you will get an equation with something equal to zero. If the 'something' has a variable in it, there is exactly one solution.

A: (5x+12) -(-12x-12) = 17x+24 = 0 . . . one solution

B: (5x+12) -(5x-5) = 17 = 0 . . . . no solutions

C: (5x+12)-(5x+12) = 0 = 0 . . . . infinite solutions

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