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Sladkaya [172]
3 years ago
10

Determine whether the statement is true or false. If it is false, rewrite it as a true statement. The method for selecting a str

atified sample is to order a population in some way and then select members of the population at regular intervals. Choose the correct answer below. A. False. The method for selecting a cluster sample is to order a population in some way and then select members of the population at regular intervals. B. False. The method for selecting a systematic sample is to order a population in some way and then select members of the population at regular intervals. C. True.
Mathematics
1 answer:
RUDIKE [14]3 years ago
7 0

Answer:

The method for selecting a stratified sample is to order a population in some way and then select members of the population at regular intervals. - FALSE.

This can be re written as :The method for selecting a systematic sample is to order a population in some way and then select members of the population at regular intervals.

Explanation for stratified sampling:

In stratified sampling, the members of a population are divided into two or more strata with similar characteristics and then a random sample is selected from each strata. This way ensures that members of each group within a population will be sampled.

Explanation for cluster sampling:

The method for selecting a cluster sample is to order a population in some way and then select members of the population at regular intervals.

In cluster sampling, the population is divided into​​ clusters, and all of the members of one or more​ clusters are selected.

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nalin [4]
The correct answer is A
4 0
3 years ago
A candy company puts 7 gumdrops in each bag. How many gumdrops will the company need to fill 9 bags?​
stiv31 [10]

Answer:

63

Step-by-step explanation:

In these 9 bags, each must have 7 gumdrops. So, we can add 7 nine times to itself. 7 + 7 + 7 + 7 + ... = 63

OR HERE'S A FASTER WAY *WINK WINK*

Instead of doing repeated addition, we can <u>multiply</u> 7 and 9 together.

<u>Why multiply?</u>

We're going to multiply 7 x 9 so that it means seven gumdrops for <em>each</em> of nine bags.

7 x 9 = 63.

3 0
3 years ago
In the diagram below DE is the midsegment of AABC.<br> Find the length of DE and BC.
baherus [9]

Answer:

DE = 5

BC = 10

Step-by-step explanation:

ΔAED is a right triangle with legs of 4 and 6/2 = 3

Use the Pythagorean theorem to find DE

4^{2}  + 3^{2} = DE^{2}

16 + 6 = 25 = DE^{2}

DE = 5

The midsegment of a triangle is 1/2 the length of the corresponding side.

Therefore, BC = 2 DE = 2(5) = 10 = BC

4 0
3 years ago
weston’s car drives 28 miles per gallon of gas. write an equation to represent the relationship between miles driven (y) and gal
masha68 [24]

An equation to represent the relationship between miles driven (y) and gallons of gas (x) used is 28=ky

  • Let the miles driven be y.
  • Let the gallons of gas be x.

<u>Given the following data:</u>

Distance = 28 miles

To write an equation to represent the relationship between miles driven (y) and gallons of gas (x) used:

<h3>How to solve a word problem.</h3>

In this exercise, we would assign a variable to the parameters stated in the question in order to write an equation to represent the relationship between miles driven (y) and gallons of gas (x) used by Weston’s car during the trip.

Also, the amount of gas used up by a car is <u>directly proportional</u> to the distance traveled by the car. Mathematically, this is given by this expression:

x\; \alpha \;y\\&#10;\\&#10;x=ky

Substituting the given parameters into the formula, we have;

28=ky

<u>Note:</u> k is the constant of proportionality.

Read more on direct proportion here: brainly.com/question/12931911

3 0
2 years ago
If a figure is reflected over the x-axis and then reflected over the y-axis, what one transformation would accomplish the same e
NARA [144]

Answer:

rotation

by rotating the figure clockwise 180 degrees you would get the same thing as reflected it over the x and then the y axis

8 0
3 years ago
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