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2 years ago

Systematic random sampling has become a popular method of drawing samples in research practices because _____.

Mathematics

1 answer:

dolphi86 [110]2 years ago

5 0

it is a relatively easy way to draw a sample while ensuring randomness is the answer.

Systematic sampling is a probabilistic sampling method in which a researcher selects members of a population at regular intervals. For example, select every 15 people from the list of populations. If the population is in random order, this can mimic the benefits of a simple random sample.

These are generally preferred by researchers because they are easy to implement and understand. The important assumption that the results represent the majority of the normal population ensures that the entire population is sampled equally. The process also provides a higher level of control for systematic sampling compared to other sampling methods. systematic sampling also has a lower risk factor because the data is unlikely to be contaminated.

Learn more about systematic random sampling here:brainly.com/question/21100042

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mr Goodwill [35]

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3 years ago

Decide!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Vladimir79 [104]

Answer:

Take the first two expressions (you can actually take any two expressions): $\frac{a+b-c}{c}=\frac{a-b+c}{b}$.

$\frac{a+b}{c}=\frac{a+c}{b}$

$ab+b^2=ac+c^2$

$a(b-c)+b^2-c^2=0$

$(a+b+c)(b-c)=0$

$\Rightarrow a+b+c=0$ OR $b=c$

The first solution gives us $x=\frac{(-c)(-a)(-b)}{abc}=-1$.

The second solution gives us $a=b=c$, and $x=\frac{8a^3}{a^3}=8$, which is not negative, so this solution doesn't work.

Therefore, $x=-1\Rightarrow\boxed{A}$.

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

2x + 5/4 = -5 -4x/12<br> Solve for x to make the proportion true.

Elodia [21]

I did the math on Photomath so here is what I got.

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3 years ago

Amr recorded the outdoor temperature as -4 degrees Fahrenheit at 7:30 A.M. At noon, it was 22 degrees Fahrenheit. Sal said the t

tankabanditka [31]

Answer:

Step-by-step explanation:

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3 years ago

The diagonal of a television measures 27 inches.If the width is 22 inches, calculate its height to the nearest inch.

scoray [572]

Using the Pythagorean theorem, the height of the television is approximately 16 inches.

<h3>How to Apply the Pythagorean Theorem?</h3>

Given the following:

Length of the diagonal of the television = 27 inches

Width of the television = 22 inches.

Height of the television = ?

Using the Pythagorean theorem, we would find the height of the television as shown below:

Height of the television = √(27² - 22²)

Height of the television = √(729 - 484)

Height of the television = √245

Height of the television ≈ 16 inches

Thus, using the Pythagorean theorem, the height of the television is approximately 16 inches.

Learn more about the Pythagorean theorem on:

brainly.com/question/343682

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1 year ago