Suppose you are interested in knowing the average weekly allowance of children who attend the Maplewood elementary schools. You take a sample of students by first taking a random sample of six classrooms and then taking a random sample from each selected classroom. This is an example of what kind of sampling design?
A. systematic sample with random start
B. single-stage cluster sample
C. stratified random sample
D. simple random sample
E. two-stage cluster sample

Answers

Answer 1

Answer:

B

Step-by-step explanation:


Related Questions

the number of girls on the school's basketball team decreased by 20% this year. if there were 25 girls on the team last year. how many girls are on the team this year

Answers

Answer:

Step-by-step explanation:

okay so to get 10% of 20 you just move the decimal to the right one so 25.0 would become 2.5 then to find 20% of that you multiply by 2 so 2.5 x 2 = 5 so that means the team lost 5 girls. 25-5=20 therefor there are 20 players on the team this year

Relative minimum: the point on the graph where the interval changes from A. Increasing B. Decreasing C. Input D. Output

Answers

Answer:

c

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

Ill brainlist anyone who anwsers this

Answers

Answer:

-25.5 feet

Step-by-step explanation:

2.5x7=17.5

-8-17.5=25.5

Una tira de tela blanca mide 120 metros, se la quiere pintar de tres colores, un octavo se pinta de rojo, un tercio del resto se pinta de azul, ¿Cuántos metros se pintan de azul?

Answers

Answer:

35m

Step-by-step explanation:

120m

Rojo: 1/8 . 120m --- el resto son 7/8 . 120m

Azul: 1/3 . 7/8 . 120m = 7/24 . 120m = 7/2 . 10m = 70m / 2 = 35m

Answer:

xdjdnsxsj ddsx 343 de43 43e 43e jrndj anser

Step-by-step explanation:

Toby skated from his house to the beach at a constant speed of 888 kilometers per hour, and then skated from the beach to the park at a constant speed of 777 kilometers per hour. The total distance Toby skated was 202020 kilometers, and it took him twice as long to get to the park. Let bbb be the number of hours it took Toby to skate from his house to the beach, and ppp the number of hours it took him to skate from the beach to the park. Which system of equations represents this situation?

Answers

Answer:

8b+7p=20

p = 2b

Step-by-step explanation:

Given that there is a constant speed of 8 km per hour and the number of hours be b so here 8b signifies the distance

Now on the other hand there is a constant speed of 7 km per hour and the number of hours be p so here 7p signfies the distance

So the total distance would be

= 8b + 7p

And, the total km is 20

Now the whole equation would be

8b + 7p = 20

Also it is mentoined that for getting into the park it is twice for getting into the beach

So, it would be

p = 2b

Therefore the system of equations are as follows

8b+7p=20

p = 2b

A point is randomly selected on the grid. What is the
probability that the point will be located in the shaded
region? Give your answer as a fraction

Answers

Answer:

13/24

Step-by-step explanation:

I got it right.

Answer:

the answer is 13/24 just did it

Step-by-step explanation:

Please help! The answer D in the image below is incorrect!

Answers

It is C. I did the Math.
Hope I helped!

BRAINLIEST IF RIGHT Which other expression has the same value as (-14) - (-8) ?
Group of answer choices

(-14) + 8

14 - (-8)

14 + (-8)

(-14) + (-8)

Answers

Answer:

its -6 please give brainliyest

-14+-8 I think but dunno haven’t done those in a while

Please help ASAP!!!
A sweatshirt at the store is being offered at a 20% discount.if the original price of the sweatshirt is x,which answer choice shows an expression that represents the discounted price of the sweatshirt.

Answers

Answer:

x-20%

Step-by-step explanation:

I dont know the options, but hopefully this helps

At an automobile factory, 712 parts are made in 3 hours. What is the average rate at which parts are made per hour?

Answers

237 parts are made each hour

Angle measures for 10 points

Answers

Answer:

x = 76°

y = 128°

z = 16°

Step-by-step explanation:

JKLM is a cyclic quadrilateral.

Opposite angles of a cyclic quadrilateral are supplementary.

Therefore,

x + 104° = 180°

x = 180° - 104°

[tex] \huge \red {\boxed {x = 76\degree}} [/tex]

y + 52° = 180°

y = 180° - 52°

[tex] \huge \purple {\boxed {y = 128\degree}} [/tex]

By inscribed angle theorem:

[tex] 88\degree + z = 2\times 52\degree \\\\

88\degree + z = 104\degree \\\\

z = 104\degree - 88\degree \\\\

\huge \orange {\boxed {z = 16\degree}} [/tex]

Write the equation of the line that has y-intercept of 4 and goes through the points (0,4) & (2.0) (Hint: use those points
to calculate slope first and write answer using y = mx + b)

Answers

Answer:

y = -2x + 4

Step-by-step explanation:

Let the equation of the line is,

y = mx + b

Slope of a line passing through two points [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex] is given by,

m = [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]

Slope of a line passing through (0, 4) and (2, 0) will be,

m = [tex]\frac{4-0}{0-2}[/tex]

   = -2

Y-intercept of the line 'b' = 4

Therefore, equation of the line will be,

y = -2x + 4

what is 100 divide bye 257? please explain your answer

Answers

Answer:

0.363636363636364

Step-by-step explanation:

100 goes into 257 0.363636363636364 times

Answer:

Fraction: 100/257

Decimal:  0.3891050583

Hope this Helps!

45+7 if you answer correctly i will put you as brainiest and i will give you 20 points

Answers

Answer:

52

Step-by-step explanation:

Simple addition,  dud it for the points and bc im

Answer:

52

Step-by-step explanation:

yes

A recipe for a chocolate banana milkshake calls for 2
bananas for every 3 scoops of chocolate. If you have 8
bananas, how many scoops of chocolate should you use?

Answers

Answer: 12 scoops

Step-by-step explanation:

Because 2 bananas =3

4=6

6=9

And 8

Would equal 12

what is the maximum cost per ticket that will be in their budget

Answers

Answer:

The maximum cost per ticket that will be in their budget is 325.

Step-by-step explanation:

[tex]4(t+25)=1400\\t+25=1400/4\\t+25=350\\t=350-25\\t=325[/tex]

The old price of a 24" television is $499.00. It has been marked up 12%. What is the new price?

Answers

Answer:

$558.88

Step-by-step explanation:

95,218.2 ÷ 4=?
also round the answer to the nearest whole number

Answers

95218.2/4=23,804.55
You can just type it on to the calculator

Answer:

95,218.2 ÷ 4=23,804.55 so to the nearest whole number it is 23,805

[11 + {- 18-9}]x2

I need help right now! please and thanks!

Answers

Answer:

−16x²

Step-by-step explanation:

Simplifying!

Answer:

-14

Step-by-step explanation:

Remove the parentheses

(11-18)2

multiply

-7x2=

-14

Julie and Kayla both work at the mall. This graph
shows the dollar amount earned by Julie,
represented by line J, and Kayla, represented by
line K

Answers

Answer:

False, False, True, False True

Step-by-step explanation:

:)

If Tiva babysits for
hours, she will earn $32.

Answers

Answer:

true i think not 100% sure tho

Step-by-step explanation:

Answer:

huh?

Step-by-step explanation:

Calculate the rate of change between the points (-6, -20) and (8, 22).
The rate of change between these points is:

Answers

Answer:

The rate change between these points is 3.

Step-by-step explanation:

Answer:

Rate of Change is 3

Step-by-step explanation:

The rate of change between two points is called the 'slope'.

x1-x2         -6-8          -14

____  =      ____  =   ___  = Divide  = 3

y1-y2      -20 - 22      -42

03 MG)
In AEFG and sYXZ,m F mix and mE m_Y. IfmZE = 62° and m_X = 80°, what is the measure of ZY?

Answers

142 is the correct answer that

19.5 as a mixed fraction

Answers

Answer:

19 1/2

Step-by-step explanation:

Answer:

-39/2

Step-by-step explanation:

What is the product?

Answers

Answer:

The answer to this question is:

6x³-33x² + 45x - 6

Step-by-step explanation:

What was Sharon's error in finding the missing height measurement for her reduced tower? Her proportion does not have corresponding parts in the same position. For cross products, she needed to multiply 1050(328) and 5(x). She needed to divide both sides by 1640, instead of 1050. She needed to round down to 1.5 fee

Answers

Answer:

Her proportion does not have corresponding parts in the same position.

Step-by-step explanation:

Sharon is drawing up a plan for building a reduced Eiffel Tower on her backyard patio. She has room to make a base of 5 feet. Her work is shown below.

What was Sharon’s error in finding the missing height measurement for her reduced tower?

Her proportion does not have corresponding parts in the same position.

For cross products, she needed to multiply 1050(328) and 5(x).

She needed to divide both sides by 1640, instead of 1050.

She needed to round down to 1.5 feet.

Height : base = 1,050 : 328

She has room to make a base of 5 feet.

Height : base = x : 5

1,050 : 328 = x : 5

1,050 / 328 = x / 5

Cross product

1,050 * 5 = 328 * x

5,250 = 328x

Divide both sides by 328

x = 5250 / 328

= 16.006

Approximately 16

Sharon's error:

Her proportion does not have corresponding parts in the same position.

Answer:

A

Step-by-step explanation:

For the sequence of numbers

Work out the position to term rule

22, 23, 24, 25, .......

Answers

Answer:

The term rule will be:

[tex]a_n=n+21[/tex]

Step-by-step explanation:

Given the sequence

[tex]22, 23, 24, 25, ...[/tex]

Computing the common difference of all the adjacent terms

[tex]22,\:23,\:24,\:25[/tex]

[tex]23-22=1,\:\quad \:24-23=1,\:\quad \:25-24=1[/tex]

As the difference between all the adjacent terms is the same and equal to

[tex]d=1[/tex]

The first element of the sequence

[tex]a_1=22[/tex]

We know that  An Arithmetic sequence has a constant difference 'd' and is defined by

[tex]a_n=a_1+\left(n-1\right)d[/tex]

substituting [tex]a_1=22[/tex], and [tex]d=1[/tex] in the nth term to get the term rule

[tex]a_n=a_1+\left(n-1\right)d[/tex]

[tex]a_n=\left(n-1\right)+22[/tex]

[tex]a_n=n+21[/tex]

Therefore, the term rule will be:

[tex]a_n=n+21[/tex]

Which shows one way to determine the factors of x3 – 12x2 – 2x + 24 by grouping?

x(x2 – 12) + 2(x2 – 12)
x(x2 – 12) – 2(x2 – 12)
x2(x – 12) + 2(x – 12)
x2(x – 12) – 2(x – 12)

Answers

Answer:

D. [tex]x^{2} (x-12) -2(x-12)[/tex]

Step-by-step explanation:

Determine the groups: [tex](x^{3}-12x^{2} )[/tex] - [tex](2x+24)[/tex]

Factor out terms: [tex]x^{2} (x-12) -2(x-12)[/tex]

The -2 was factored out in the second group to ensure that both groups had

(x-12).

Answer:

LAST OPTION

Step-by-step explanation:

BRUHH IDK WHAT THIS IS

Answers

Answer:

ONG PLS, IM NOT SMART

Step-by-step explanation:

Four families went out to dinner . Each of their recipe is shown . If each family leaves a 20% tip on the total , which families will pay more than $8.00 for the tip? Select all that apply.

Answers

Answer:

Step-by-step explanation:

I need the rest of the question. What are the choices?

Other Questions
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Part D:Explain, using one of the strategies listed below, why Jeremy does or does not have enough sugar to make the number of pies in Part B:Please see some of the possible strategies you can use to answer and explain this question:Create a video blog Interview another student and discuss your findingsDraw images Create an infographic (pictures with few words to explain your process. plz help me asap plz which of the following countries is not located in central america 30 pt ANSER RIGHT NOW I MEAN ITRead the paragraph.Alisha is writing a research paper about the effects of driving cars on the environment. She found statistics about cars and air pollution from a group called Save the Planet on its website www.savetheplanet.org. 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