Which of the following r-values represents the strongest correlation?
O A. -0.51
B. -0.61
C. -0.41
D. -0.71

Answers

Answer 1

Answer:

Step-by-step explanation:

-0.71

Answer 2

The r - value -0.71 represents the strongest correlation which is negative correlation.

What is the correlation coefficient?

The correlation coefficient is a quantitative method of calculating correlation. It is a statistical concept, which helps in establishing a relation between predicted and actual values obtained in a statistical experiment.

For the given situation,

The options has the r - values, we need to check which option represents the strong correlation.

Now., The relationship between two variables is generally considered strong when their r value is larger than 0.7.

A correlation of r = -0.71 suggests a strong, negative association between two variables.

A negative correlation means that if one variable gets bigger, the other variable tends to get smaller.

Hence, we can conclude that the r - value option (D) -0.71 represents the strongest correlation which is negative correlation.

Learn more about correlation coefficient here

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Related Questions


Help please problem is worded weird

Answers

Answer:100

Step-by-step explanation:

Expand

x = 150 - 0.5x

Add 0.5x to both sides

x + 0.5x = 150

Simplify x + 0.5x to 1.5x

1.5x = 150

Divide both sides by 1.5

x = 150/1.5

Simplify 150/1.5 to 100

x = 100

Answer: the correct awnser is 100

Step-by-step explanation:

Ava turtle is half as old as her parrot in 10 years her turtle will be 3/4 as old as her parrot .write the equation to represent this situation.How old is avas turtle

Answers

Answer:

13

Step-by-step explanation:

I think the turtle would be 13 and 1/3 because we know that the turtle is half as old as the parrot. So if we divide 10 by 3/4 we can get how old the turtle is now

The system of the equation is :

[tex]2x=y\\3y-4x=10[/tex]

Thus, the age of the ava's turtle is 5 years.

Given:

Ava's turtle is half as old as her parrot.

The turtle will be 3/4 as old as her parrot in 10 years.

Let us assume the age of the turtle is x years and the age of the parrot is y years.

According to the first statement, the variables can be related as:

[tex]{x}=\dfrac{y}{2}\\2x=y[/tex]

According to the second statement, the variables can be related as:

[tex]\begin{aligned}x+10&=\dfrac{3}{4}(y+10)\\4(x+10)&=3(y+10)\\4x+40&=3y+30\\4x-3y&=-10\\3y-4x&=10\end{aligned}[/tex]

Thus, the system of the equation is :

[tex]2x=y\\3y-4x=10[/tex]

By solving the above system of the equation, we get x=5 and y=10.

Thus, the age of the ava's turtle is 5 years.

To know more about the system of the equation, please refer to the link:

https://brainly.com/question/2146068

Which expression is equivalent to 6(2x-8) *
A : 12x+48
B: 12x-8
C: 12x-48
D: 2x-48

Answers

Answer:

C.

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

6(2x-8)

6 * 2x = 12x

6 * -8 = -48

12x - 48

whats the product of 1.74 * 10^(6) and 2.55 * 10^(7)?

Answers

Answer:

use calculator duh

Step-by-step explanation:

Answer:

3.12*10^-9

Step-by-step explanation:

took the test

8x-4=2(4x-4). Does this equation have only 1 solution?

Answers

Answer:

No, it has infinitely many solutions.

Step-by-step explanation:

f(x) = 2x2 – 15
Find f(-2)

Answers

f(x) = 2x^2 -x -15 = 0

Please answer this...

Answers

Answer and Step-by-step explanation:

The equation would be y = 5x + 75

Now, plug in 1, 2, 6, and 12 for x (which represents the hours) and solve for y (which represents the price).

1 hour - $80

2 hours - $85

6 hours - $105

12 hours - $135

Solve for the indicated variable x/9 - g = a for x

Answers

Answer:

x =  9(a+g)

Step-by-step explanation:

x/9 - g = a

Add g to each side

x/9 - g+g = a+g

x/9 = a+g

Multiply each side by 9

x/9 * 9 = 9(a+g)

x =  9(a+g)

It’s due today so I’d like some help please

Answers

Answer:

The answer is E since you'll be adding 3.844 to each other and the terms as well. But the answer is E again

Answer:

E. 7.688 × 10^8

A rectangle that is 2" x 3" has been scaled by a factor of seven suppose you want to scale the copy back to its original size what scale factor should you use

Answers

Answer:

5

Step-by-step explanation:

Multiply 6i(4-6i). Write the result in the form a+bi

Answers

24i + 36

6i (4 - 6i)

(6i)(4) = 24i

(6i)(-6i) = -36i^2

i^2 = (-1)

(-36)(-1)= 36

24i + 36

Answer:

36+24i

Step-by-step explanation:

Michael invests USD 20 000 at 9.6% p.a. compounded monthly.
How long will it take for his investment to reach USD 25 000?

Answers

Given :

A = 25000

P = 20000

r % = 9.6 % = 0.096

n = 12

To Find :

The time taken say t.

Solution :

We know, compound interest is given by :

[tex]A=P(1+\dfrac{r}{n})^{n.t}[/tex]

Taking log both sides :

[tex]A=P(1+\dfrac{r}{n})^{n.t}\\\\log\ \dfrac{A}{P}= n.t\times log( 1+\dfrac{r}{n})\\\\t =\dfrac{1}{n}\times \dfrac{log\ \dfrac{A}{P}}{log(1+\dfrac{r}{n})}\\\\\\t=\dfrac{1}{12}\times \dfrac{log\ \dfrac{25000}{20000}}{log(1+\dfrac{0.096}{12})}\\\\\\t=2.33\ years[/tex]

Hence, this is the required solution.

Solve for x.

x/2 = -5

x = 5/2
x = -5/2
x = -10

Answers

Answer:

x = -10

Step-by-step explanation:

x/2 = -5

Multiply each side by 2

x/2 * 2 = -5 *2

x = -10

Factorize the given expression and divide them as directed.


[tex](m^{2} -5m +6) divided (m-2)[/tex]

Answers

Answer :

We have to find :

m² - 5m + 6 / (m - 2) = ?

First of all, we need to factorize

(m² - 5m + 6)

⭆ m² - 5m + 6

⭆ m² - (3 + 2)m + 6

⭆ m² - 3m - 2m + 6

⭆ m(m - 3) - 2(m - 3)

(m - 2) (m - 3)

★ Division :

➠ m² - 5m + 6 / (m - 2)

➠ (m - 2) (m - 3) / (m - 2)

(m - 3) [Final answer][tex].[/tex]

Hope It Helps!

Michael is saving to buy a car. He has 1/4 what he needs to buy the car. His savings account has a balance of $1000. How much more does he need to save?

Answers

Answer:

3000

Step-by-step explanation:

If you take the amount he already has (1000) and multiply by the reciprocal (4) you'll get $4000, the amount that the car costs. From there subtract the amount he already has (1000) and you get the amount he still needs (3000).

1/2 = q + 2/3
and
p - 3 1/6 = -18.73

please help, im giving 20 points

Answers

Answer:

see below

Step-by-step explanation:

1/2 = q + 2/3

Subtract 2/3 from each side

1/2 -2/3 = q+2/3-2/3

Getting a common denominator of 6

3/6 - 4/6 = q

-1/6 =q

p - 3 1/6 = -18.73

Add 3 1/6 to each side

p - 3 1/6 + 3 1/6 = -18.73 + 3 1/6

p = -18 73/100 + 19/6

Get a common denominator

p =- 5619/300 + 950/300

  = -4669/300

=-15 169/300

HELP PLZZZZZZZZZ!!!!!!!!!!

Answers

I’m pretty sure it’s d

Answer:

C

Step-by-step explanation:

Interior means on the inside. C is the only angle that is inside the shape.

HELP what is 0.8120^-2=y16

Answers

Answer:

1.6280

Step-by-step explanation:

. Move all terms not containing y y to the right side of the equation.

I'm building my first gaming pc, got any tips.

Answers

Answer:

A good graphics card.

Step-by-step explanation:

Answer: Most games are cpu based so get a good cpu. Also, too much rgb is not good, you need to spend more on your power supply than your rgb.

Step-by-step explanation:

What is an equation of the line that passes through the points (-4, -1) and
(6,-1)?

Answers

Answer:

use the formula of two point form according to question

Answer:

y=-5x-1

Step-by-step explanation:

V= Bh/3 solve for h.

Answers

Answer:

h=3v/b

Step-by-step explanation:

Which is bigger 0.625 or 1

I will give a brilliant!

Answers

Answer:

A

Step-by-step explanation:

the absolute value of a negative number is positive because the absolute value of a number is the distance from 0 on the number line, and distance is positive. -1 is negative, and positive numbers are larger than negative numbers, so |-5/8| is automatically larger.

PLZ HELP!!!!!!! A sequence is defined by the recursive function f(n + 1) = f(n) – 2.

If f(1) = 10, what is f(3)?

1

6

8

30...

Answers

Answer:

[tex]f(n + 1) = f(n) - 2 \\ n = 1 - - - - f(1 + 1) =f(1) - 2 \: \: \: - - - > \: \: f(2) = 10 - 2 = 8 \\ f(2) = 8 \\ n = 2 - - - - f(2 + 1) = f(2) - 2 \: \: \: - - - > \: \: \: f(3) = 8 - 2 = 6 \\ so \: f(3) = 6 \\ and \: we \: are \: done.[/tex]

can someone tell me how to solve translations please?

Answers

Step-by-step explanation:

Hey there!

Here; The coordinates are ; H(-4,-2), G(-5,3), F(-2,1)

The translation P(x,y) = P'(X+7,y)

Use same formula.

H(-4,-2) -------> P'(3,-2)

G(-5,3)-----------> G'(2,3)

F(-2,1)------------> F'(5,1)

Therefore, the answer is Option C.

Hope it helps..

2x + 3y = 7
2x = 4y - 5

Answers

Answer:

Step-by-step explanation:

3. In particular, the set of solutions to 2x - 3y = 7 is a straight line. (This is why it's called a linear equation.)

Please I need this help?

Answers

Answer:

6.35

Step-by-step explanation:

The cost to purchase a song from iTunes is $1.29 per song. To purchase a song from
Napster, you must be a member. The Napster membership fee is $10. In addition, each
purchased song costs $1.19. How many songs must be purchased for the monthly price of
Napster to be the same as iTunes?

Answers

Answer:

It will take 100 purchased songs for iTunes and Napster to equal in price.

Step-by-step explanation:

iTunes: y=1.29x

Napster: y=1.19x+10

1.29x=1.19x+10

10=.10x

x=100

FIND X

NEED HELP ASAP

Answers

Answer:

x = 15

Step-by-step explanation:

subtract 10 from both sides: x/3 = 5

multiply both sides by 3: x = 15

Answer:

x=15

Step-by-step explanation:

[tex]\frac{x}{3} +10=15\\\frac{x}{3}=5\\x=15[/tex]

Solve the equation below

3h - 2( 4h - 5 ) = 10 - 5h

Answers

Answer:

Infinite solutions

Step-by-step explanation:

3h-8h+10=10-5h

-5h+5h=10-10

0=0

Infinite solutions

Answer:

This should be the correct answer.

6 ( x + 1) - 5 (x + 2)

Answers

Answer:

x-4

Step-by-step explanation:

6x+6-5x-10=

x-4

( you have to multiply what is inside the parenthases to get to the first step that i did)

Answer:

x−4

Step-by-step explanation:

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