What is the absolute deviation of the data set 4, 4, 6, 6, 7, 8, 8, 8, 9, 10

Answers

Answer 1

Answer:

Mean absolute deviation = 1.6.

Step-by-step explanation:

The  mean  =  (4+4+ 6+ 6+ 7+ 8+ 8 + 8 +9+ 10) / 10

= 7.

List the differences from the mean:

4 - 7 = -3

-3

-1

-1

0

1

1

1

2

3

Sum of the absolute value of the difference

=  3 + 3 + 1 + 1 + 0 + 1 + 1 + 1 + 2 + 3

= 16.

So the Mean Absolute deviation = 16 / 10 = 1.6.


Related Questions

I’m circle R with m angle QRS=82 and QR=16 units find the of arc length of QS. Round to the nearest hundredth

Answers

Final answer:

The length of arc QS in circle R is approximately 22.9 units. This is determined by using the formula for arc length in a circle, which is the radius times the angle (in radians). The angle was first converted from degrees to radians.

Explanation:

To find the length of arc QS in circle R, we need to use the formula for the arc length. The arc length of a circle is given by the formula Length = radius * angle (in radians). The angle is provided as 82 degrees, and the radius QR is given as 16 units.

First, we need to convert the angle from degrees to radians. We use the formula: radians = degrees * (π / 180). Hence, 82 degrees is approximately 1.43117 radians.

Now, let's substitute our values into the formula. Length = 16 units * 1.43117 radians.

Hence, the arc length of QS is approximately 22.9 units when rounded to the nearest hundredth.

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Find the volume of the sphere. Use 3.14 for π. Round to the nearest tenth.

Answers

Answer: The answer is 904.32

A steel hex nut has two regular hexagonal faces and a hole with a diameter of 0.4 cm through the middle. Its mass is 3.03 grams.

Answers

Answer:

V=0.45

V=0.06

V=0.39

V=7.77

Josie found a small bird bath at a garage sale. The bird bath has a circular opening with a radius of 10 cm, as shown in the diagram below. Using 3.14 for pi, Josie calculates that the water in the small bird bath has 314 cm2 of surface area. Josie lives in a wooded area with lots of birds, so she plans to use the bird bath she found as a scale model to build a much larger bird bath. If she doubles the dimensions of the scale model, how many square centimeters of surface area will the larger bird bath have for bathing?

Answers

Answer: 1256cm

Step-by-step explanation:

Final answer:

When Josie doubles the radius of the bird bath to build a larger one, the new surface area will be 1256 cm², as surface area quadruples when doubling the radius of a circle.

Explanation:

Josie calculated that the surface area of her small bird bath with a radius of 10 cm is 314 cm^2. If she doubles the dimensions for a larger bird bath, the new radius will be 20 cm. To find the surface area of the larger bird bath, we use the formula for the area of a circle, A = πr².

Plugging in the new radius:

A = 3.14 × (20 cm)^2

A = 3.14 × 400 cm^2

A = 1256 cm2

This means the surface area for the larger bird bath Josie plans to build will have 1256 cm^2 for bird bathing. This calculation demonstrates how the surface area of a circle quadruples when the radius is doubled, which is consistent with the principle that surface area scales with the square of the dimension changes.


If point Q is translated 4 units to the right and 2 units up, what are the coordinates of Q'?

Answers

Answer:

-4,2

Step-by-step explanation:

Answer

Q=(4,2)

Step-by-step explanation:

In X axis, count 4 units to the right

In Y axis, count 2 units up

Graph would look like this.

a. f(x) = 4x3 – 10x + 7 one to one​

Answers

Answer:

I think is it.

Step-by-step explanation:

An odd function is a function f such that, for all x in the domain of f, -f(x) = f(-x). A one-to-one function is a function f such that f(a) = f(b) implies a = b.

The cruising speed of the bullet train will be at least 170 miles per hour. Use s to represent the train's cruising speed (in miles per hour). Write an inequality to represent the situation

Answers

Answer:

s ≥ 170

Step-by-step explanation:

The problem raises the following statement: "The cruising speed of the bullet train will be at least 170 miles per hour"

Which means that the train has a speed of 170 miles for now or higher, knowing this we can pose the inequality.

Knowing that "s" is the train's cruising speed (in miles per hour), we have to:

s ≥ 170

This would be the inequality that the statement represents.

The inequality representing the bullet train's cruising speed being at least 170 miles per hour is s ≥ 170.

The situation described involves finding an inequality for the train's cruising speed. To represent the train's cruising speed in miles per hour, we use the variable s.

Given that the cruising speed of the bullet train will be at least 170 miles per hour, we need an inequality that expresses this condition.

The inequality is:

s ≥ 170

This means that the cruising speed s can be 170 miles per hour or higher.

solve for x: X + 3 = 15

Answers

Answer:

x=12

Step-by-step explanation:

x+3=15

move constant to the right

x=15-3

subtract 15 to 3

x=12

Answer:

X =12

Step-by-step explanation:

X+3 =15

subtract 3 from each side

X+3-3 =15-3

X = 12

A 270° angle is three-fourths of a complete rotation.


Please select the best answer from the choices provided

T
F

Answers

True
Step by step I got it right

A regular convex polygon has 14 sides. What is the sum of the measures of the interior angles?

Answers

Answer:

he measure of each interior angle of a regular polygon with 14 sides is about 154.3.

Step-by-step explanation:

Create a Y and X table using the expression Y= -2x +5

Answers

When x=1, y is 3
When x=2, y is 1
When x=3, y is -1
When x=4, y is -3
When x=5, y is -5

Find the reference angle for 517°
a.23°
c.113°
b.157°
d.67°

Answers

the anwser is 23 dregrees

An Apple producer sells their product in bags that each contain 16 apples. These apples have a mean weight of 80 grams and a standard deviation of 5 grams. Suppose that each bag represents an SRS of apples, and we calculate the sample mean weight of the apples in each bag. What is the mean and standard deviation of the sampling distribution?

Answers

Mean: 80 grams

Standard Deviation: 1.25 grams

The mean stays the same.

How to find standard deviation in this case would be:

SD divided by the squareroot of the sample.

So, 5/[tex]\sqrt{16}[/tex] = 1.25

I hope this helps!


Triangle ABC is a right triangle where B is the right angle, AB = x, and BC = x. What could be the first step of a proof BD of the triangle
divides the hypotenuse into two segments of equal length?

Answers

Answer:

x=20

Step-by-step explanation:

Right angle triangle ABC

ac^2=ab^2+bc^2

or (x+9)^2=x^2+(x+1)^2

or x^2+81+18x=x^2+x^2+1+2x

or 80= X^2-16x

 

or x^2-16x-80=0

x^2-20x+4x-80=0

x(x-20)+4(x-20)=0

(x+4)(x-20)=0

either x=-4 or x=20

since x is a length it can not be negative

Which of the following represents the least percent of change? *

a. A coat that was originally priced at $90 is now $72
b. A puppy who weighed 6 ounces at birth now weighs 96 ounces
c. A child grew from 54 inches to 60 inches in 1 year
d. A savings account increased from $500 to $550 in 6 months

Answers

Answer:

Step-by-step explanation:

B. It didn’t grow at all

last Saturday two of the houses were having a party each family invited 9 guests to their house how many guests were in total​

Answers

your answer will be , 18. there were two houses each invited 9. 9x2 =18.

Answer:

18

Step-by-step explanation:

because there where two houses each invited 9 guests and 9 + 9 = 18

Jay just graduated from college and he has decided to open a retirement account that pays 1.75% interest compounded monthly. If he has direct deposits of $100 per month taken out of his paycheck, how much will he have in the account after 42 years?

Answers

Answer:

$51,282

Step-by-step explanation:

100*1.75%=1.75*504 months (42 years)=882

100*504 months (42 years)=50,400

50,400+882=$51,282

Hope this is correct, and helps you out :)

He will have $74,356.50 in his account.

what is interest?

Interest is the price you pay to borrow money or the cost you charge to lend money.

Initial investment (PV)= $100

Number of periods (n)=42 years

Interest rate (i)= 1.75%

So, FV= P(1+r/100)^(nt) -1)) / (r/n)

FV= 100(1+0.0175/100)^(12*42) -1)) / (0.0175/12)

FV= $74,356.50

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What is the complete factorization of the polynomial below?
x3 + 9x2 + 26x + 24

Answers

Answer:

(x+2)(x+3)(x+4)

Step-by-step explanation:

Answer: 29x + 42

Explanation:

Multiply numbers and collect like terms

why did the bay of pigs invasion happen?

Answers

Answer:

The Bay of Pigs invasion begins when a CIA-financed and -trained group of Cuban refugees lands in Cuba and attempts to topple the communist government of Fidel Castro. The attack was an utter failure. Fidel Castro had been a concern to U.S. policymakers since he seized power in Cuba with a revolution in January 1959.

Can’t put it Into a question because it is a graph kinda urgent

Answers

a= 1
b= 1/16 or .0625
c= 1/256 or .00390625

Answer:

Step-by-step explana

a= 1

b= 1/16 or .0625

c= 1/256 or .00390625

HELP!
Use the spinner to find the theoretical probability of the event.

The theoretical probability of spinning blue is ___.

Answers

Answer:

2/8 or 1/4

Step-by-step explanation:

2/8 or 1/4 because the spots on the spinner are blue out of 8 is 2/8 or 1/4

Answer:

2/6

Step-by-step explanation:

This should have been simple because you don't include the blue parts

Which are the solutions of the quadratic equation?
Plzzz ASAP

Answers

Answer:

hello i dont even know how to do this

Step-by-step explanation:

A sphere has a radius of 6 meters. A second sphere has a radius of 3 meters. What is the difference of the volumes of the spheres? The volume of the larger sphere is π cubic meters greater than the volume of the smaller sphere.

Answers

Answer:

Step-by-step explanation:

volume of sphere = (4/3)πr³

Difference= [(4/3)*π*6³]-[(4/3)*π*3³]

[tex]=\pi*[(\frac{4}{3}*6*6*6) - (\frac{4}{3}*3*3*3)]\\\\=\pi*[(4*2*6*6)-(4*3*3)]\\\\=\pi *[288-36]\\\\=252\pi[/tex]

How do the temperature compare? Fro

Answers

Answer:

Step-by-step explanation:

-43.6F/-37.4F/-17/37.3/51.9/52

For the following exercises, use the table of values that represent points on the graph of a quadratic function. By determining the vertex and axis of symmetry, find the general form of the equation of the quadratic function.

Answers

Answer:

y = x² + 2x + 1

Step-by-step explanation:

Same y value at x = -2 & x = 0

So line of symmetry is at:

x = (-2+0)/2

x = -1

Vertex: (-1,0)

y = a(x - -1)² + 0

y = a(x + 1)²

At x = 1, y = 4

4 = a(1 + 1)²

4 = 4a

a = 1

y = (x + 1)²

y = x² + 2x + 1

The general form of the equation of the quadratic function is x² + 2x + 1

The formula expressing the equation of the quadratic function will be expressed as:

y = a(x -h)² + k

From the table shown, we can see that the y-values are the same at where x = -2 and 0

Get the line of symmetry:

[tex]x =\frac{-2+0}{2}\\x=\frac{-2}{2} \\x=-1[/tex]

We can see that when x = -1, y = 0. Hence the vertex will be at (-1, 0)

h = -1

k = 0

Substitute into the formula y = a(x -h)² + k

y = a(x -(-1))² + 0

y = a(x+1)²

From the table at where x = 1, y = 4. On substituting to get "a" we have:

4 = a(1+1)²

4 = 4a

a = 1

Get the required quadratic function by substituting the parameters into the general formula as shown:

y = a(x -h)² + k

y = 1(x +1)² + 0

y = (x+1)²

y = (x+1) (x+1)

y = x² + x +x + 1

y = x² + 2x + 1

Hence the general form of the equation of the quadratic function is x² + 2x + 1

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The Royal Fruit Company produces two types of fruit drinks. The first type is 45% pure fruit juice, and the second type is 70% pure fruit juice. The company is attempting to produce a fruit drink that contains 65% pure fruit juice. How many pints of each of the two existing types of drink must be used to make 80 pints of a mixture that is 65% pure fruit juice?

Answers

Answer:

64 70% and 16 45%

Step-by-step explanation:

it's 4 70% and 1 45% to make 5 pints of 65% so 64 70% and 16 45%

Solve the following system of equations
-5x+2y=6
10x-2y=-16
X=
Y=

Answers

Answer:

5x = - 10

5. 5

x = 2

y = -10

its easyyy

write g(x)=4x^2+88 in vertex form

Answers

Answer:

y

=

4

(

x

+

11

)

2

484

Step-by-step explanation:


Find the distance between point K and point H.

A) 2
B) 5
C) 7
D) 9

Answers

Answer:

Option C

7

Step-by-step explanation:

The coordinate point of K is (-2,5) and H(-2,-2)

[tex]KH =\sqrt{ {(x2 - x1)}^{2}+{(y2 - y1)}^{2} } [/tex]

[tex] = \sqrt{ {( - 2 - 5)}^{2} + {( - 2 + 2)}^{2} } [/tex]

[tex] = \sqrt{ {( - 7)}^{2} + {(0)}^{2} } [/tex]

[tex] = \sqrt{49} = 7[/tex]

What is its length?
Enter the correct answer.
The perimeter of a rectangle is twice the
sum of its length and its width. The
perimeter is 34 meters and its length is 2
meters more than twice its width
What is the length?

Answers

Step-by-step explanation:

The answer is 15

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