1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Bad White [126]
3 years ago
7

A researcher selects a sample from a district such that 25% of the children are between ages 5 and 6, 25% are between ages 7 and

8, 25% are between 9 and 10, and 25% are between ages 11 and 12. The researcher is employing a ________ sampling.
SAT
1 answer:
Llana [10]3 years ago
6 0

Answer:

Quota.

Explanation:

In Statistics, sampling can be defined as a process used to collect or select data (objects, observations, or individuals) from a larger statistical population using specific procedures.

There are various types of sampling used by researchers and these are;

1. Random sampling.

2. Systematic sampling.

3. Stratified sampling.

4. Cluster sampling.

5. Opportunity or convenience sampling.

6. Quota sampling.

Quota sampling can be defined as a non-probability sampling technique wherein a sample comprising of data from a population or homogeneous group are created.

In this scenario, a researcher selects a sample from a district such that 25% of the children are between ages 5 and 6, 25% are between ages 7 and 8, 25% are between 9 and 10, and 25% are between ages 11 and 12. Thus, the researcher is employing a quota sampling.

You might be interested in
The diagram shows a circle inside a square.
timama [110]

Answer:

Where the diagram?

Explanation:

8 0
2 years ago
Strategic Searching-
faust18 [17]

The statement is False.

<u>Explanation:</u>

The term strategic searching is not simply looking for two words at the same time and placing the use of the word Or between them. These are the strategies which are used to find words or the meaning of the concepts which one is looking for.

It does not only mean looking for two words at the same time. It is much more than simply stating that of searching the meaning of the two words with the help of word Or.

6 0
3 years ago
Read 2 more answers
What enables a virtual reality headset to create a three-dimensional perspective for the user?.
Andrew [12]

A Virtual Reality (VR) headset creates a three-dimensional (3D) perspective for the user by angling the two-dimensional (2D) images.

<h3>What is Virtual Reality (VR) headset?</h3>

Virtual Reality (VR) headset can be defined as a head-mounted device which comprises two (2) LCD displays (one per eye) that provides the wearer with virtual physical environments (realities) and human-machine interactions through the use of various computer technologies.

<h3>The elements of Virtual Reality (VR).</h3>
  • Self projection
  • Life interaction
  • Telexistence
  • 3D space

In conclusion, a Virtual Reality (VR) headset is designed and developed to create a three-dimensional (3D) perspective for the user by angling the two-dimensional (2D) images.

Read more on Virtual Reality here: brainly.com/question/26479902

4 0
2 years ago
What is likely negative affect on the earth extra carbon dioxide is added to our atmosphere
konstantin123 [22]

Answer:

It will change weather patterns and destroy ecosystems.

Explanation:

Carbon dioxide, while not being the most power, is the most common greenhouse gas. A greenhouse gas helps to trap longwave radiation from leaving the Earth’s atmosphere and is enhancing global warming. We say enhanced global warming due to the Earth warming through natural reasons too. Several changes occur due to this temperature increase. Sea ice melting causes freshwater to enter the sea. An increase in sea levels can cause coastal flooding, increased erosion and a higher frequency and power of storms. Water density is linked to salinity. By introducing more freshwater the salinity decreases in the north and south of the Earth. If the oceanic currents change this will cause the weather to become more extreme during seasonal changes in many regions around the world. While humans can adapt their living conditions to suit the climate, many animals and plants can not. Therefore, enhanced global warming will cause the loss of many ecosystems around the world, including coral reefs.  

8 0
3 years ago
To compare the average amount of time that canadians and americans spend commuting, a researcher collects a sample of canadians
yKpoI14uk [10]

The standard error of the difference of sample means is 0.444

From the complete question, we have the following parameters

<u>Canadians</u>

  • Sample size = 50
  • Mean = 4.6
  • Standard deviation = 2.9

<u>Americans</u>

  • Sample size = 60
  • Mean = 5.2
  • Standard deviation = 1.3

The standard error of a sample is the quotient of the standard deviation and the square root of the sample size.

This is represented as:

SE = \frac{\sigma}{\sqrt n}

The standard error of the Canadian sample is:

SE_1 = \frac{2.9}{\sqrt{50}}

So, we have:

SE_1 = 0.41

The standard error of the American sample is:

SE_2 = \frac{1.3}{\sqrt{60}}

So, we have:

SE_2 = 0.17

The standard error of the difference of sample means is then calculated as:

SE= \sqrt{SE_1^2 + SE_2^2}

This gives

SE= \sqrt{0.41^2 + 0.17^2}

SE= \sqrt{0.197}

Take square roots

SE= 0.444

Hence, the standard error of the difference of sample means is 0.444

Read more about standard errors at:

brainly.com/question/6851971

5 0
2 years ago
Other questions:
  • How can a parasite utilize multiple hosts
    10·1 answer
  • Stalactites and stalagmites are
    12·2 answers
  • Confidence is better than medicine. Do you agree with this preposition?
    5·1 answer
  • What is an example of a college admissions test?
    9·1 answer
  • Which of the following required educational institutions to provide equal opportunities to males and females, including the area
    13·1 answer
  • Three hunters are walking side by side. Which of the following would be safe?
    11·1 answer
  • Whatwhat is Monopoly how price and output determination under it​
    13·1 answer
  • Bernite is selling candy bars for a school fundraiser. The school paid $20. 00 for a box of 15 king-size candy bars and bernite
    7·1 answer
  • Samuel, a longtime employee of the abcd corporation, was injured when he fell off a ladder while stocking widgets at abdc at the
    11·1 answer
  • What is the result of diverging surface currents at the geographical equator
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!