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2 years ago

Which of the following correlation coefficients represents the weakest correlation?

Mathematics

1 answer:

AlekseyPX2 years ago

6 0

The correlation coefficient that represents the weakest correlation amongst the given options is -0.1.

<h3>What is correlation?</h3>

Correlation is a statistical measure used to measure the relationship that exists between two variables. A value of one represents a perfect correlation. A value of zero signfies that the variables have no relationship.

So, the correlation coeffieicent with a value closest to zero would have the weakest correlation.

To learn more about negative correlation, please check: brainly.com/question/27246345

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Solve each equation for the unknown 1. 5 + y = 7. 2. 3.8 = a + 2.5 5. + p = 9 1/3

Alexxandr [17]

Answer:

1. 5 + y = 7

⇒ y = 7 - 5

⇒y = 5

2. 3.8 = a + 2.5

⇒ a = 2.5 - 3.8

⇒ a = -1.3

3. 5 + p = 9 1/3 

⇒ p = 9 1/3 - 5

⇒ p = 28/3 - 5

⇒ p = 28/3 - 15/3

⇒ p = 13/3

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3 years ago

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Step-by-step explanation:

Real numbers ;

Natural numbers (counting numbers) = Integer
Whole numbers = Integers
Integers =Integers
Rational numbers (fractions , repeating or terminating decimals) = Fraction and decimal are not integers
Irrational numbers. = Not integer

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3 years ago

Find a quadratic polynomial with integer coefficients which has x = 2/9, ± SQRT23/9 as its real zeros.

melomori [17]

Answer:

The quadratic polynomial with integer coefficients is $y = 81\cdot x^{2}-36\cdot x -19$ .

Step-by-step explanation:

Statement is incorrectly written. Correct form is described below:

Find a quadratic polynomial with integer coefficients which has the following real zeros: $x = \frac{2}{9}\pm \frac{\sqrt{23}}{9}$ .

Let be $r_{1} = \frac{2}{9}+\frac{\sqrt{23}}{9}$ and $r_{2} = \frac{2}{9}-\frac{\sqrt{23}}{9}$ roots of the quadratic function. By Algebra we know that: