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vodka [1.7K]
2 years ago
7

A researcher is studying the relationship between stress and diet among college students. The researcher recruits students by se

nding out an e-mail blast, and then includes in the sample the first 100 male and 100 female students who volunteer to participate. What type of sampling did the researcher use
Mathematics
1 answer:
lord [1]2 years ago
7 0

Using sampling concepts, it is found that convenient sampling was used by the researcher to find the volunteers to participate.

<h3>How are samples classified?</h3>

Samples may be classified as:

  • Convenient: Drawn from a conveniently available pool.
  • Random: All the options into a hat and drawn some of them.
  • Systematic: Every kth element is taken.
  • Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed.
  • Stratified: Also divides the population into groups. Then, a equal proportion of each group is surveyed.

In this problem, the first 100 male and first 100 female students sampled are the ones who volunteer to participate, and volunteering is associated with convenient sampling.

More can be learned about sampling concepts at brainly.com/question/25122507

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What is the compliment to a 32° angle?
garik1379 [7]

Answer:

Step-by-step explanation:

Since a complimentary angle is two angles who add to 90 degrees the you just ubtract 32 from 90

90-32=58

so 58 is the complimentary

8 0
4 years ago
I need some help with this
marshall27 [118]
[-2 3] times [2
                    1] 

comes out to -2(2)+3(1) = -1.  Eliminate the first answer choice, due to 
                                                 the presence of that -7 instead of -1.

[-2 3] times [0
                    -3]

comes out to - 9.  This matches answer choices #2, #3 and #4.

[3,-4][2
           1]

comes out to 6-4, or 2.  Matches #2, #3, #4.


[3, -4][0
           -3]

comes out to +12, which matches answer choice #4.

Answer choice #4 is the correct one.

Review matrix multiplication if need be.  Feel free to ask questions here and now if need be.

7 0
4 years ago
N the function y = 12.00x + 50, y represents the cost of carpet by the square yard and x represents the number of square yards.
borishaifa [10]

Answer:

The cost increase for each square of carpet by 12.

Step-by-step explanation:

The given function is

y=12.00x+50

It is a slope intercept form of the line

y=mx+b

Where m is the slope and b is y-intercept.

Therefore the slope of given function is 12 and the y-intercept is 50.

It means the initial ot fixed cost of the carpet is 50 and the cost increased by 12 for each square of carpet.

3 0
3 years ago
The temperature on Monday in Minot, North Dakota was 3°F. On Tuesday, the temperature
Doss [256]
Answer:

B

Explanation: If u use a number line you will understand the concept. So it goes 2,1,0,-1,-2. That decreased 5 times.
3 0
3 years ago
I need the answer to -3(p+4)+5&lt;(-16)
rodikova [14]

Answer:

Step-by-step explanation:

3 0
3 years ago
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