Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate. ages of children: 5, 6, 7, 8, and 9

Answers

Answer 1

There are four levels of measurements in statistics, namely nominal, ordinal, interval, ratio. These levels are important when it comes to analyzing data, since it helps us determine the technique that we can use to support or refute our study.

In the nominal level, we can categorize data but they cannot be ranked. An example would be hair color. In an ordinal data, the data can be both categorize and ranked, but doing mathematical calculation may not make sense. Also, the intervals between rankings doesn't necessarily dictate how close or far apart the data are.

A good example is level of education. In an interval level, the data can be categorized, ranked, and measured but they do not have a true zero. An example could be a range of values that does not include zero. Lastly, in the Ratio level the data can be categorized, rank, and measured, and it has a true zero.

So ratio level is most appropriate for ages of children. Note that ages can be categorized, rank, and measured .Moreover, an age equal to zero means that there is no age or the absence of age.  

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Related Questions

Chose the step below that correctly uses the distributive property to begin solving the equation: 2(x + 1) + 4 = 8 O 2x+5=8 Ox+1+2 = 4 O 2x + 2 + 4 = 8 O 2x + 1 + 4 = 8​

Answers

2(x+1)+4

Distributive property : According to this property, multiplying the sum of two or more addends by a number will give the same result as multiplying each addend individually by the number and then adding the products together.

solve equation by using distributive property we should use laws of this property that are as follows:

Expand the equation. Multiply (distribute) the first numbers of each set, outer numbers of each set, inner numbers of each set, and the last numbers of each set. Combine like terms.

2(x + 1) + 4 = 8

2(x)+2(1)+4=8

2x+2+4=8

2x+6=8

2x=8-6

2x=2

x=2/2

x=1

so final conclusion is Option A  2(x+1)+4=8 is the right answer

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Cuantos múltiplos de 9 hay entre 60 y 100

Answers

Answer: 5 multiples of 9

Step-by-step explanation:

First take the difference between 100 and 60.

100-60=40

Then divide the difference by 9.

40/9=4.44

4.44 rounded up is 5 ==> 5 multiples of 9

Primero toma la diferencia entre 100 y 60.

100-60=40

Luego divide la diferencia entre 9.

40/9=4,44

4.44 redondeado es 5 ==> 5 múltiplos de 9

Answer:

5

Step-by-step explanation:

9*7 = 63

9*8 = 72

9*9 = 81

9*10 = 90

9*11 = 99

Hay 5 múltiplos de 9 entre los números 60 y 100

5 divided by 555.25

Answers

The answer is 111.05

When a three-digit number written in base 10 has its final digit moved to the beginning, the result is the same number written in base 7. find all such numbers

Answers

There is no such number that has the result is the same number written in base 7 and base 10.

Decimal and Octal numbers:

Decimal system is most familiar number system to the general public. It is base 10 which has only 10 symbols − 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9.

Whereas octal system is one of the number systems to represent numbers. It is base 8 which has only 8 symbols − 0, 1, 2, 3, 4, 5, 6, and 7.

Given,

When a three-digit number written in base 10 has its final digit moved to the beginning, the result is the same number written in base 7.

Here we need to find all such numbers.

Let abc be the starting number, where the catenated letters represent digits, and not factors like in the product

=> a x b x c

And each of a,b, and c can be elements of the list,

=> {1,2,3,4,5,6,7,8,9,0}

Except a≠0.

Since abc is a base-10 numeral, we can also write it as

=> 10²a + 10¹b + 10⁰c

Which can be expanded as,

=> 100a + 10b + c ----------------------(1)

Moving the last digits to the first slot makes the new number,

=> 100c + 10a + b------------------------(2)

So, here the value c≠0.

We know that, the digits in the base-10 numeral cab are identical to those of the base-7 numeral that is written as cab₇.

In the equation form it is equal to,

=> 7²c + 7¹a + 7⁰b

=> 49c + 7a + b ---------------------(3)

but since we're working in base 7 now, the digits a,b, and c cannot exceed 6.

Now, we want to solve for a, b, and c such that

By equalizing the equations 2 and 3,

=> 100c + 10a + b = 49c + 7a + b

=> 100c + 10a + b - 49c - 7a - b

=> (100 - 49)c + (10 - 7)a

=> 51c + 3a

=> 3 (17c + a)

Both a and c must be positive, but this equation has solution,

=> a = -17c

So there are no positive integers solutions, and hence no such number.

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This is my last question then I’m all set

Answers

Answer:

. .......... ok............

A triangle has angles measuring 45°, 55°, and 80°. It is dilated by a scale factor of 2. What are the angle measures, in order from least to greatest, of the dilated image?

Answers

The angle measures, in order from least to greatest, of the dilated image  45°,55° and 80°.

A dilation is a function f from a metric space M into itself that satisfies the identity d=rd for all points x, y \in M, where d is the distance from x to y and r is some positive real number. In Euclidean space, such a dilation is a similarity of the space.

Euclidean space, In geometry, a two- or three-dimensional space in which the axioms and postulates of Euclidean geometry apply; also, a space in any finite number of dimensions, in which points are designated by coordinates (one for each dimension) and the distance between two points is given by a distance formula.

Dilations preserve angle measures, regardless of the scale factor. Therefore, the angle measures of the image will be the same of that of the pre-image, so our answer is still 45 °, 55 °, and 80 °.

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Answer:45,55,80

Step-by-step explanation:  dilations preserve angles measures regardless of the scale factor. Therefore the angle measures of the image will be the same of that of the pre-image ,so our answer is still 4545,5555,8080 .

If the straight-line distance from her home to the university is 10. 3 km in a direction 25. 0° south of east, what was her average velocity in km/h?.

Answers

34.3 Km /h was her average velocity in km/h.

What is average velocity?

The change in position or displacement (x) divided by the time intervals (t) during which the displacement happens is the definition of average velocity. Based on the direction of the displacement, the average velocity might either be positive or negative. Meters per second (m/s or ms-1) is the SI measure for average velocity.The displacement of a body, or the shortest distance it must go during a trip, is calculated as the displacement multiplied by the time interval over which it covered that distance.

average velocity = Displacement / time taken

            V = d/ l

V = 10.3 Km/0.300m = 34.3Km

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WILL GIVE BRAINLIEST
Enrollment at a golf academy has grown exponentially since the academy opened. A graph depicting this growth is shown. Determine the percentage rate of growth.
1.5%
5%
50%
0.5%
GRAPH IS BELOW

Answers

Answer:

We can see that after 2 years, enrollment becomes 35 instead of 15.

35/15=2.333...)

Since it's exponential, take sqrt(2.333...)=about 1.5

So the growth is 50%

Write an algebraic expression
to represent each verbal expression.
the sum of six times a number and 25

Answers

Answer:

6x+25

Step-by-step explanation:

6 times a number. Let x represent that number.

6x

It also says the to add 25 to the expression.

Add 25 to 6x.

6x+25

Hope this helps!

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2r−2p= n solve for p. has to be answered such as n-2r line under (division) equals p.

Answers

The solution of the given linear equation 2r−2p= n in two variables for p is r -n/2.

According to the given question.

We have a linear equation in two variables 2r - 2p = n.

Here we have to solve the given linear equation 2r - 2p = n in two variables for p.

So, the solution of the equation 2r - 2p = n for p is given by

2r - 2p  = n

⇒ 2(r - p) = n    (taking 2 as a common)

⇒ r - p = n/2     (dividing both the sides by 2)

⇒ r - n/2 - p = 0     (subtracting n/2 from both the sides)

⇒ r - n/2 = p            (adding p both the sides)

⇒ p = r -n/2

Hence, the solution of the given linear equation 2r−2p= n in two variables for p is r -n/2.

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John runs the same number of kilometres each day.write an expression to represent the number of kilometre john ran in june last year

Answers

An algebraic expression to represent the number of kilometres John ran in June month last year is 30a.

Given that, John runs the same number of kilometres each day.

We need to find an algebraic expression to represent the number of kilometres John ran in June month last year

What is an algebraic expression?

An algebraic expression (or) a variable expression is a combination of terms by the operations such as addition, subtraction, multiplication, division, etc.

Let us assume that john is running 'a' kilometres per day.

We know that June month composed of total 30 days

So the algebraic expression for the number of kilometres John ran in June last year = Number of kilometres running per day × Number of days in the month of June

=a × 30=30a

Therefore, an algebraic expression to represent the number of kilometres John ran in June month last year is 30a.

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11) Mike is thinking of two numbers. Their difference is 12. If one of the numbers is 19, what is the other
number? Is there only one answer? If not, what is the other possibility for the second numbe? Explain
your reasoning.

Answers

Answer: 7, and 31

Step-by-step explanation:

7 + 12 = 19 or 19 - 12 = 7

19 + 12 = 31

The other number will be - 7.

Yes, There is only one answer.

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The difference of two numbers is 12.

And, one of the numbers is 19.

Now,

Let two numbers are x and y.

So, We get;

x + y = 12

Here, one of the numbers is 19.

So, x = 19

We get;

x + y = 12

19 + y = 12

y = 12 - 19

y = - 7

Thus, The other number will be - 7.

Yes, There is only one answer.

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5) If the sun is out, then it is daytime.
Converse:
Inverse:
Contrapositive:

Answers

the 3 statements are:

The converse statement is: If it is daytime, then the sun is out.

The inverse statement is: if the sun is not out, then is not daytime.

The contrapositive statement is: if it is not daytime, then the sun is not out.

How to find the converse, inverse, and contrapositive statements?

If we have two propositions P and Q, then we have a conditional statement:

If P then Q.

The converse statement is: if Q then P

The inverse statement is: if Not P, then Not Q.

The contrapositive statement is: if Not Q, then Not P.

The conditional statement is:

"If the sun is out, then it is daytime"

So we have:

P = the sun is out.

Q = it is daytime.

Then the 3 statements are:

The converse statement is: If it is daytime, then the sun is out.

The inverse statement is: if the sun is not out, then is not daytime.

The contrapositive statement is: if it is not daytime, then the sun is not out.

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Divide.

(−16)÷(−56)

What is the quotient?

Answers

The answer is 2/7 as fraction form and 0.285714 repeating.

Correct me if I’m wrong please. Have a good day. :)

Answer:

Quotient = 0; Remainder = 16

Step-by-step explanation:

Select all the correct locations on the figures.
Select two angles, one from each triangle, that must be congruent for the triangles to be congruent by the SAS criterion.

Answers

For the two triangles to be congruent by the side angle side (SAS) criterion, then the angle in between the two marked sides must be congruent.

What are congruent triangles?

Two triangles are said to be congruent if they have the same shape and their corresponding sides are also equal. Therefore, their corresponding angles would also be congruent.

For the two triangles to be congruent by the side angle side (SAS) criterion, then the angle in between the two marked sides must be congruent.

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Answer:

as shown on the screen shot

The area of a rectangular carpet is given by the quadratic function A(x) = x(x + 30), where A(x) is the area and x is the width of the carpet in feet. What are the restrictions on the domain of the function and its inverse?

Answers

The inverse of the function is; f⁻¹(x) = - 15 ± √(x + 225)

What is the Inverse of the Function?

We have been given a quadratic function f(x) =  x(x + 30) and we need to restrict the domain such that it becomes a one to one function.

Now, the given function can also be written in vertex form as;

f(x) = (x + 15)² - 225

We know that vertex of this quadratic function occurs at (-15, -225).

Further, we know that range of this function is (-225, ∞).

If we restrict the domain of this function to either (-∞, -225) or (-225, ∞) , it will become one to one function.

Let us know find its inverse;

y =  (x + 15)² - 225

Upon interchanging x and y, we get:

x =  (y + 15)² - 225

Solving for y gives;

y = - 15 ± √(x + 225)

Thus, the inverse of the function is;

f⁻¹(x) = - 15 ± √(x + 225)

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A 16​-foot piece of string is cut into two pieces so that the longer piece is 1 foot longer than twice the shorter piece.

Find the lengths of both pieces.
Question content area bottom

Part 1

What is the length of the shorter​ piece?

What is the length of the longer​ piece?

Answers

Answer:

Shorter piece: 5    Longer piece: 11

Step-by-step explanation:

(2x+1)+(x)=16

3x+1=16

3x=15

x=5

a traffic study has shown that the probability that 55 cars will pass over a small bridge in a 4-4-minute period is 0.16.0.16. what are the odds against exactly 55 cars passing over the bridge in that time?

Answers

4:21 are the odds against exactly 55 cars passing over the bridge in that time.

What is Probability?

The probability serves as a gauge for how likely an event is to occur. It gauges how likely an event is. P(E) = Number of Favorable Outcomes/Number of Total Outcomes is the formula for probability.Probability is the branch of mathematics concerning the occurrence of a random event, and four main types of probability exist: classical, empirical, subjective and axiomatic.

Probability of 0.16, thus, for 100 trials, 16 successes and 84 failures, and the odd is:

16:84, which, simplifying by 4, is 4:21.

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12÷3×5-4 to the 2nd power

Answers

I have two answers depending on the format. I'm not sure if the entire function is to the 2ndpower or not. Either way, it's either 256 or 4.

Keenan got 13 /25 for his Mathematics Test write this as a decimal fraction​

Answers

Answer: Answer is 0.52

Step-by-step explanation:

So we have the fraction 13 Out of 25.

step 1: here we divide numerator(which is 13) by denominator(which is 25).

step 2: first we make denominator 100 by multiplying by 25 with 4 and also 13 with 4.

ie. [tex]\frac{13 * 4}{25 * 4}[/tex]

step 3: we get [tex]\frac{52}{100}[/tex]

step 4: now we can easily write the decimal fraction. ie. 0.52

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4x+2(x+6)=36 ummm.....what?

Answers

>6x+12=36
>>6x=24
>>> x=4 :)

Answer:

x = 4

Step-by-step explanation:

4x + 2(x + 6) = 36

4x + 2x + 12 = 36

6x  = 36 - 12

6x = 24

x = 24

      6

x = 4

How will this looks like

Answers

Answer:

Step-by-step explanation:

The midpoint AB is (1,2). The coordinates of A are (-3,6) Find the coordinates of B

Can someone help me with this exercise and show me the procedure of how to do it??

Answers

Answer:   (5, -2)

========================================================

Explanation:

We have these points

A = (-3,6)M = midpoint = (1,2)B = (x,y)

Focus on the x coordinates for now.

The x coordinates of A and B are -3 and x in that order. Add them up and divide in half to get the x coordinate of the midpoint M

(-3+x)/2 = 1

-3+x = 2*1

-3+x = 2

x = 2+3

x = 5

Repeat for the y coordinates

(6+y)/2 = 2

6+y = 2*2

6+y = 4

y = 4-6

y = -2

Therefore, the location of point B is (5, -2)

You can use a tool like GeoGebra to check your work.

-3x+29=17 would it be 3 , 4 5 6 7 8 9

Answers

Answer:

x=4

Step-by-step explanation:

[tex]-3x+29-29=17-29 < - Subtract[/tex]
[tex]-3x=-12[/tex]
[tex]\frac{-3x}{-3}=\frac{-12}{-3} < - Divide[/tex]
[tex]x=4[/tex]

(solve each system by graphing. Check your solution) questions 11 and 13

Answers

Answer: 10. (2,4)  11. (4,9)  13. (2,-2)  14. (1,2)

Step-by-step explanation:

Just plugged em into desmos & double checked

Answer:  11. (4,0) 13. (2,-2)

Step-by-step explanation:

11.

[tex]\displaystyle\\\left \{ {{y=\frac{1}{2} x+7 } \atop {y=\frac{3}{2}x+3 }} \right. \\\\y=\frac{1}{2}x+7[/tex]

x | 0 | 4 |

y | 7 | 9 |

[tex]\displaystyle\\y=\frac{3}{2}x+3\\[/tex]

x | 0 | 2 |

y | 3 | 6 |

13.

[tex]\displaystyle\\\left \{ {{y=x-4} \atop {y=-x}} \right. \\\\y=x-4[/tex]

x |  0 | 4 |

y | -4 | 0 |

[tex]y=-x[/tex]

x | 0 |  4 |

y | 0 | -4 |

Givien f (x) = -4x-2 , find f (1).

Answers

Answer: -6

Step-by-step explanation:

-4(1)-2=-6

Answer:

f(1) = -6

Step-by-step explanation:

Hello!

Substitute 1 for x in the equation.

Evaluatef(x) = -4x - 2f(1) = -4(1) -2f(1) = -4 - 2f(1) = -6

f(1) is -6.

What is the degree of x^2+3x+y?

Answers

Answer: 2

Step-by-step explanation:

as x is to a power of 2 so degree is 2

pls vote for brainliest

The degree should be 2

Mr. Sullivan's employer withheld $19,342.19 in federal income tax. After completing his return, Elsner has determined that his tax is $23,945.22. Will he get a refund, or does he owe the IRS and how much? Use a negative number to represent a refund and a positive amount to represent additional taxes owed. Round to the nearest penny.

Answers

HHe will owe the IRS and the amount is $4603.03

In this question, we have been given Mr. Sullivan's employer withheld $19,342.19 in federal income tax.

Elsner has determined that his tax is $23,945.22

We need to find whether he get a refund, or he owes the IRS.

From given information,

Employer withheld in federal taxes last year = $19,342.19

His tax amount is $23,945.22

So by considering the above information, the he owes the additional taxes because the tax amount i.e., $23,945.22 is more than the withheld amount i.e., $19,342.19

So, the additional taxes would be,

$23,945.22 - $19,342.19 = $4603.03

This difference represent the additional taxes owed.

Therefore, he will owe the IRS and the amount is $4603.03

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what is the inequality for this?

four times a number decreased by three is at least two

Answers

Answer:

gegrgryyrryryryyryryr

The inequality: 4x - 3 ≥ 2

Multiply. Write the answer in simplest form.
13/18 x 6/7

Answers

Answer:

13/21

Step-by-step explanation:

Solving steps

13/18 × 6/7

Simplify the expression

13/3 × 1/7

Multiply

Solution:

13/21

Alternative Form

0.619047

The answer in simplest form 13/18 x 6/7 = 13/21

To find the answer in simplest form 13/18 x 6/7

Simplify this, multiple nominator to nominator and denominator to denominator

(13 × 6)/(18 × 7) = 78/126

Now, reduce the fraction divide by 6,

we get,  78/126 = 13/21

Therefore, the final answer is 13/21.

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