Which graph shows a correlation coefficient closest to -1 ?

Which Graph Shows A Correlation Coefficient Closest To -1 ?

Answers

Answer 1

Answer:

The first graph (topmost graph)

Step-by-step explanation:

Correlation coefficient of -1: Negative correlation

As variable x (horizontal axis) increases, variable y (vertical axis) should decrease.

Hence, gradient of the graph is negative, sloping downwards as x increases.

Graph 2 is eliminated (positive correlation approximately 1)

Graph 4 is also wrong as there is simply no correlation. (Points are random with no fixed pattern or trend)

Graphs 1 and 3 show negative correlation.

However, for graph 3, several points are not accurate, leading to a straight line not being drawn accurately. (Slightly off) . Correlation of this graph is negative but not closest to -1.

Hence, the first graph is the closest to -1 in terms of correlation coefficient.


Related Questions

how much is 23,000 borrowed for 7 years at an interest of 3%

Answers

Answer:$27,463.202820167

The partial factorization of x²-x-12 is modeled with
algebra tiles.
+X
+X
+X
-X
-X
-X
+
I
+X+X+X
1
1
+
1
I
+
1
1
I
1
Which unit tiles are needed to complete the
factorization?
O 3 negative unit tiles
O 3 positive unit'tiles
O4 negative unit tiles
O4 positive unit tiles

Answers

There are ''4 negative unit tiles'' are needed to complete the factorization.

What is Quadratic equation?

An algebraic equation with the second degree of the variable is called an Quadratic equation.

Given that;

The equation is,

⇒ x² - x - 12

Now,

Since, The equation is,

⇒ x² - x - 12

Hence,. The prime factorization is,

⇒ x² - 4x + 3x - 12

⇒ x (x - 4) + 3(x - 4)

⇒ (x + 3) (x - 4)

Thus, The correct statement is,

⇒ 4 negative unit tiles

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2. Complete the table.

Answers

sin a° = 3/√13, cos a° = 2/√13 and tan a° = 3/2 as per the rules of a trigonometric ratio.

What are trigonometric ratios?

Trigonometric ratios are developed based on the right-angled triangle.

The largest side length of a right-angled triangle is called hypotenuse.

Suppose an angle Ф is in between the hypotenuse and base of a triangle. The base is called the adjacent side.

The remaining side length is called the opposite side length.

sinФ = opposite side length/ hypotenuse

cosФ = adjacent side length /hypotenuse

tanФ = opposite side length/adjacent side length

What is the trigonometric ratio given in the above table?

According to the figure, a right-angled triangle has hypotenuse 3√13, angle a is in between hypotenuse and base of the triangle.

The length of adjacent side to the angle a° is 6 units and opposite side has a length 9 units.

now, according to the trigonometric ratio

sin a° opposite side /hypotenuse = 9 /3√13 = 3/√13

cos a° = adjacent side / hypotenuse = 6/3√13 = 2/√13

tan a° = opposite side/adjacent side = 9/6 = 3/2

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1. Madison and her brother drove around the perimeter of their neighborhood looking for their cat. The diagram above shows the path they drove. In total, how many kilometers did they drive?
10 km
48 km
56 km
53 km
140 km

Answers

Madison and her brother drove around the perimeter of their neighborhood looking for their cat. The diagram above shows the path they drove. In total, 56 kilometers did they drive. This can be solved using the concept of rectangular perimeter.

What is perimeter of a rectangle?

The circumference of a form is known as its perimeter. One must sum the lengths of the all four edges of a rectangular or squares to determine its perimeter. In this instance, the rectangle's length is represented by x and its width by y. P = 2 (x+y), which is the perimeter.

The diagram is actually looks like a rectangle.

Here the length becomes = 10 km

and breadth = 18 km

The question mark here is: 18 -10 = 8km

so, perimeter = 2 (length + breadth)

perimeter = 2 (18 + 10)

perimeter = 56 km.

correct option: b

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4-33.
Simplify the following expression: 32³-2x² +4-(3x³ + 5x² - 2).
a. How many terms are in your answer?
b. What is the coefficient of in your answer?

Answers

Answer:

Step-by-st32³-2x² +4-(3x³ + 5x² - 2)

= 32³ + 4 - 3x³ - 5x² + 2x² - 2

= 32³ - 3x³ - 3x² + 2

a. There are 3 terms in the answer.

b. The coefficient of x^3 is -3 and the coefficient of x^2 is -3.

So the final answer is -3x^3 - 3x² + 2.ep explanation:

The class aquarium holds 2 gallons of water. How many cups is this? How many fluid ounces is this?

Answers

Answer: 32 cups, 256 fl oz

Step-by-step explanation:

Consider an I-MR-chart for plotting the range. The point that is plotted on the chart is calculated by taking the absolute value of the difference between successive observations.
True
False

Answers

The point that is plotted on the chart is calculated by taking the absolute value of the difference between successive observations. yes , it is a true statement  for absolute value

What does an I-MR chart tell you?

An I-MR chart is a combination of control charts used to monitor the process variability (as the moving range between successive observations) and absolute (as the mean) when measuring individuals at regular intervals from a process.

A data series, such as a list of quarterly corporate profits, is a row or column of figures that are input in a worksheet and plotted in your chart. Even if you generated your chart in a different software, like Word, Office automatically associates charts with an Excel-based worksheet.

A data series contains the actual values that are plotted on the chart.

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Select all that Apply


A. The domain is the set of all real
numbers greater than or equal to
zero.
B. The range is the set of all real
numbers greater than or equal to
zero.
C. The range is the set of all real
numbers.
et of all real numbers.
D. The Domain is the set of all real numbers

Answers

D. The Domain is the set of all real numbers.

The domain of the functionThe domain of a function is the set of all input values that the function will accept. In the case of the function f(x)= x, the domain is all real numbers greater than or equal to zero. This means that any real number greater than or equal to zero can be input into the function, and the function will produce an output. The range of a function is the set of all output values that the function produces. In the case of the function f(x) = x, the range is also all real numbers greater than or equal to zero.This means that for any real number greater than or equal to zero, the function will produce an output that is also a real number greater than or equal to zero. In conclusion, the domain of the function f(x) = x is all real numbers greater than or equal to zero, and the range of the function is also all real numbers greater than or equal to zero.

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Identify percent of change. 20 is decreased to 6.

Answers

Answer:

70%

Step-by-step explanation:

the formula for percent of change is:

New value - Old value divided by Old value

we can write this algebraically as:

(6-20)/20 which is -14/20

the negative simply implies a 'decrease' from old to new

14/20 equals 70/100 or 70%

Answer:

The answer to your question is 70% decrease

Step-by-step explanation:

I hope this helps and have a wonderful day!

Please help find the area

Answers

The triangle's area is listed as: 70.50cm2.A shape's surface area is measured by its area.

What explains the above-mentioned resolution?

A shape's surface area is measured by its area.By multiplying the length and breadth of a rectangle or square, you can get its area.Area A is equal to x times y.

Square measurements, such as square inches, square feet, or square meters, are used to describe area.Multiplying a rectangle's length and breadth will reveal its area.A is the area, L is the length, W is the width, and * denotes multiply in the formula.

Area of the darkened area is equal to the sector's area minus the triangle's area.This is displayed as:π r² (∅/360) - 1/2 x b x h

= π x 14² x (46/360) - (1/2) x 14 x 10.0708

= 78.6794 - 70.4956

= 8.1838 cm²

Consequently, the triangle's area is equal to (1/2) x 14 x 10.0708.

= 70.4956 cm²

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PLease help
question is in the pic

Answers

The height of the hill is 607.5 feet.

How to find the height of the hill?

Johnny is riding a motorcycle uphill. After riding 400 feet, he reaches a height of 270 feet. He must ride another 500 feet to reach the top of the hill.

Therefore, the height of the top of the hill can be calculated as follows:

400 ft =  270 feet

500 feet = ?

cross multiply

height after riding 500 feet = 500 × 270 / 400

height after riding 500 feet = 135000 / 400

height after riding 500 feet = 337.5 ft

Therefore,

height of the top of the hill = 337.5 + 270 = 607.5 ft.

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can you help me on this
7(8x+5)

Answers

56x+35
If you are being asked to simplify this

Hi! Can someone please help me out and explain? Thank you so much :) I’ll give brainly.

Nerissa has 5 pink bows, 1 blue bow, and 4 purple bows in a box. She will randomly choose 1 bow from the box. What is the probability Nerissa will choose a purple bow? (Make sure to simplify your answers)

Answers

Answer:

The probability Nerissa will choose a purple bow is 40%. The probability that Nerissa will pick a purple bow can be calculated by the formula:

= Number of purple bows / Total number of bows Total number of bows:

= 5 + 1 + 4

= 10 bows Probability of picking purple bow is:

= 4 / 10

= 40%

The probability that Nerissa picks a purple bow is 40%.

Step-by-step explanation:

Answer:

Step-by-step explanation:

The probability Nerissa will choose a purple bow is 40%.

The probability that Nerissa will pick a purple bow can be calculated by the formula:

= Number of purple bows / Total number of bows

Total number of bows:

= 5 + 1 + 4

= 10 bows

Probability of picking purple bow is:

= 4 / 10

= 40%

The probability that Nerissa picks a purple bow is 40%.

Solve for the balloon volume using the
equation below where:
volume = v
circumference = c
V=

67²

Answers

Answer:

OK your question is an easy but it also difficult I know your are such a bright student of your class so please try your question by yourselves

Charlie took a nap. He fell asleep at 11:25 AM and he woke up at 3:12 PM. How long did he sleep?

Answers

Answer:

[tex]\huge\boxed{\sf 3\ hours\ 47\ minutes}[/tex]

Step-by-step explanation:

Fell asleep = 11:25 AM

Woke up = 3.12 PM

When we go from 11:25 AM to 12:25 PM, he slept for 1 hour.

From 12:25 PM to 1:25 PM, it will be 2 hours.

From 1:25 PM to 2:25 PM, it will be 3 hours.

From 2:25 PM to 3:00 PM, it will be 3 hours 35 minutes.

From 3:00 PM to 3:12 PM, it will be 3 hours 35 minutes + 12 minutes.

So,

He slept for 3 hours 47 minutes.

[tex]\rule[225]{225}{2}[/tex]

3. Which proportion has an m value of 16.5 ?
m/10.4=18.9/65
m/54.2=82.5/271
m/65.7=104.5/305
m/23.8=55.6/188

Answers

The proportion has an m value of 16.5 is

m / 54.2 = 82.5 / 271

What is proportions?

The word proportion generally denotes a portion, share, or sum when compared to a total.

When two ratios are equal, they are in proportion, as stated by the definition of proportion. When an equation or a statement to are said to be proportional then the two ratios or fractions are equal.

Each of the options is solved for m to find that the second option has the m = 16.5

m / 54.2 = 82.5 / 271

cross multiplying gives

m / 54.2 = 165/542

m = 16.5

m is solved to get 16.5

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simplify 20 × 23 + 20 - 23​

Answers

20 × 23 + 20 - 23 can be simplified to 460 + 20 - 23, which can be simplified further to 480 - 23, or 457.

b. If Suellen has been taking dance lessons for Y years, how many years has Tara been taking lessons?

Answers

If Suellen has been taking dance lessons for Y years, then Tara is taking dance lessons for Y+4 years.

What is an expression?

An expression is a combination of terms that are combined by using mathematical operations such as subtraction, addition, multiplication, and division.

Given that, Suellen and Tara both take dance lessons. This Is Suellen’s first year, while this is Tara’s fifth year of dance lessons.

If Suellen has been taking dance lessons for Y years.

Then, the number of Tara taking lessons Y+4.

Therefore, Tara is taking lessons for Y+4 years.

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"Your question is incomplete, probably the complete question/missing part is:"

Suellen and Tara are in sixth grade, and both take dance lessons at Twinkle Toes Dance Studio. This Is Suellen’s first year, while this is Tara’s fifth year of dance lessons. Both girls plan to continue taking lessons throughout high school.

If Suellen has been taking dance lessons for Y years, how many years has Tara been taking lessons?

Explain to me how does this formula work.
[tex]{e}^{i\pi} + 1 = 0[/tex]

Answers

The well-known equation e(i*pi) + 1 = 0 represents Euler's identity, where e is the Euler number, or roughly 2.71828, I is the imaginary number, or roughly i2 = -1, and pi is the ratio of a circle's circumference to its diameter, or nearly 3.14.

What is meant by diameter?A straight line that passes through the middle of a rounded object or form and ends at a point on the opposite edge: The diameter is twice as big as the radius. The pond has a six-foot diameter. the distance along a straight line that passes through the middle of a space or an object. the circumference of a circle. dug a hole that was almost four feet in diameter. The simplest place to start would be to take the ruler and measure the distance between the circle's outside edges starting from its very center. That would be the diameter. A circle's edge or length is known as its circumference.

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In an activity, students are pulling marbles from a large jar containing blue and red marbles. In their sample, students will calculate the proportion of blue marbles. Which of the following sample sizes will have the largest sampling variability?

10
20
30
40

Answers

The sample size that will have the largest sampling variability is D. 40.

What is the sample about?

From the information, in the activity, students are choosing blue and red marbles from a sizable jar.

The percentage of red marbles in the sample will be calculated by the students. The sample size of the marble's sampling variability increases as the sample percentage of red marbles approaches the actual percentage of red marbles in the jar.

Therefore, the sample proportion of red marbles will be closer to the actual proportion of red marbles in the jar the larger the sample size of marbles. In this case, 40 is the correct option.

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What is the slope from ( -7, 5) to ( -3,4)

Answers

Answer:

Step-by-step explanation:

The answer is -1/4
You have to use the y2-y1/x2-x1 format

this is some geometry

Answers

The value of x is 5.

What is a proportion?

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

The relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.

We are given that the quadrilaterals JKLM and PQRS are congruent.

The parameters are given as;

mJ = - 21, jk = 4y-2, kl=6x+3,

lm = 36, pq= 10, qr=  11, and rs= 12.

The formula for the ratio of similar figure is,

JKLM and PQRS

JK/ LM = PQ/ RS

4y-2 / 36 = 10 / 12

Cross-multiply solving;

48y - 24 = 360

48y = 360 + 24

y = 8

Now,kl/ ml = QR / RS

6x+3 / 36 = 11 / 12

Cross-multiply solving;

72x + 36 = 396

72x = 360

x = 360 / 72

x = 5

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Shannon has made 5 of her last 20 free throws. At this rate, how many free throws will she make if she attempts 400 this year?

Answers

If Shannon attempts 400 throws this year, the number of free throws that she would make is 100 free throws.

How to find the number of free throws?

To find the number of free throws that Shannon might be able to make this year, you need to look at the rate at which she is able to make free throws from the number of throws that she makes.

When Shannon made 20 throws, she was able to make 5 free throws out of these 20 throws. This means that her rate of free throws is :

= Number of throws made / Total throws taken x 100 %

= 5 / 20 x 100 %

= 0. 25 x 100 %

= 25 %

If Shannon has 400 throws therefore, the number of free throws she can make at that rate is:

= Number of total throws x Rate of free throws made

= 400 x 25 %
= 100 free throws

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2/5 = ?/25

Use a model to find the missing value in the proportion.
A. 4
B. 5
C. 10
D. 22

Answers

Answer: C- 10

Step-by-step explanation: first have the bottom half of tyhe equation equal each other

5*x=25

x=5

then multiply 2 by x

2x=10

10 is the answer

Ya really need help!!!

Answers

Answer:

y=-3/2x+2

Step-by-step explanation:

3x+2y=4

Subtract 3x from both sides of the equation

2y=-3x+4

Divide both sides by 2

y=-3/2x+2

Change the original equation to slope intercept form (y=mx+b), by moving the x to the other side, and dividing by the y.

y=3/2x+4

Find the sum and express it in simplest form.
(-6b²2b-1) + (-2b² + 4b)
100
Clear all
Enter the correct answer.
000
DONE

Answers

Answer:

-8b^2 + 4b

Step-by-step explanation:

To simplify the expression (-6b^2 2b-1) + (-2b^2 + 4b), we need to combine like terms.

First, let's distribute the negative sign to the terms inside the first set of parentheses:

(-6b^2) + (-2b^1) = -6b^2 - 2b^1

Now let's combine the terms inside the second set of parentheses:

(-2b^2) + (4b) = -2b^2 + 4b

Finally, let's add the two expressions:

(-6b^2 - 2b^1) + (-2b^2 + 4b) = -6b^2 - 2b^1 - 2b^2 + 4b

Simplifying, we get:

-8b^2 + 4b = -8b^2 + 4b

The final simplified expression is: -8b^2 + 4b.

Arik bought 20 calculators at the electronics store. 40% of the calculators were scientific calculators and 1/2 of the calculators were graphing calculators. How many of the calculators were neither scientific calculators nor graphing calculators?

Answers

Arik bought  8 scientific calculator and 12 graphing calculator.we can find by using percentage.

What is a percentage in math?

Percentages are fractions where the denominator is 100. To show that a number is a percent we use the percent symbol (%) beside the number. For example, if you got 75 questions right out of 100 on a test (75/100)  you would have scored 75%.

What is percentage of formula?

Percentage can be calculated by dividing the value by the total value and then multiplying the result by 100. The formula used to calculate percentage is: (value/total value)×100%.Percentages are important for understanding the aspects of everyday life.

Now we have

Arik has 20 calculator at store

40% scientific calculator= 20*40/100

                                        =800/100

                                        =8

he buys graphing calculator=20-8

                                              =12

Each calculator is 5 percent.

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What is (7 5/6−5 1/3)+1 1/9 ?

Answers

let's firstly convert all mixed fractions to improper fractions.

[tex]\stackrel{mixed}{7\frac{5}{6}}\implies \cfrac{7\cdot 6+5}{6}\implies \stackrel{improper}{\cfrac{47}{6}} ~\hfill \stackrel{mixed}{5\frac{1}{3}} \implies \cfrac{5\cdot 3+1}{3} \implies \stackrel{improper}{\cfrac{16}{3}} \\\\\\ \stackrel{mixed}{1\frac{1}{9}}\implies \cfrac{1\cdot 9+1}{9}\implies \stackrel{improper}{\cfrac{10}{9}} \\\\[-0.35em] ~\dotfill[/tex]

[tex]\left( \cfrac{47}{6}-\cfrac{16}{3} \right)+\cfrac{10}{9}\implies \cfrac{47}{6}-\cfrac{16}{3} +\cfrac{10}{9}\implies \cfrac{(3)47~~ - ~~(6)16~~ + ~~(2)10}{\underset{\textit{we'll be using this LCD}}{18}} \\\\\\ \cfrac{141~~ - ~~96~~ + ~~20}{18}\implies \cfrac{65}{18}\implies {\Large \begin{array}{llll} 3\frac{11}{18} \end{array}}[/tex]

Sammi buys a painting for £80 and sells it for a 15% profit.
How much does he sell the painting for?

Answers

First find 15% of €80
then add that answer to the €80

80x15/100 = 12

80+12= 92

How long would it take to have 733,500 baht if your principal amount was 450,000 baht with a 9% interest rate?

Answers

Step-by-step explanation:

Time (in years) = (733,500 baht - 450,000 baht) / (450,000 baht * 9%)

Plugging in the values, we get:

Time (in years) = (733,500 baht - 450,000 baht) / (450,000 baht * 0.09)

Time (in years) = (283,500 baht) / (40,500 baht)

Time (in years) = 7 years

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