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Julli [10]
2 years ago
9

a researcher sets out to measure drug use on US college campuses by asking a representative sample of undergraduates whether the

y are currently receiving federal grants or loans. What is the problem with this measure?
Mathematics
1 answer:
Readme [11.4K]2 years ago
5 0

Based on the information given, it can be noted that the problem with the research is the problem of validity.

<h3>Problems with validity.</h3>

It should be noted that in a research, a problem with validity takes place when there's a lack of reliability of the independent variable.

Also, it is a result of lack of representativeness of the independent variable and a lack of impact of the independent variable.

In this case, the researcher sets out to measure drug use on US college campuses by asking a representative sample of undergraduates whether they are currently receiving federal grants or loans. It should be noted that the question asked doesn't relate to the research.

In conclusion, there's a problem with validity.

Learn more about researches on:

brainly.com/question/25257437

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Perimeter of quadrilateral
aleksandr82 [10.1K]

Answer:

The answer to your question is:  14 + 2√40  = 26.6 units

Step-by-step explanation:

Data

A ( -5, 4)     B (-3, -2)     C (4, -2)     D (2, 4)

Formula

d = √(x2 - x1)² + (y2 - y1)²

Perimeter = dAB + dBC + dCD + dAD

Process

dAB = √(-3 + 5)² + (-2 - 4)²

dAB = √(2)² + (-6)²

dAB = √4 + 36

dAB = √40 units

dBC = √(4 + 3)² + (-2 + 2)²

dBC = √(7)²

dBC = √49

dBC = 7 units

dCD = √(2 - 4)² + (4 + 2)²

dCD = √(2)² + (6)²

dCD = √40 units

dAD = √(2 + 5)² + (4 - 4)²

dAD = √49

dAD = 7 units

Perimeter = √40 + 7 + √40 + 7

Perimeter = 14 + 2√40  = 26.6 units

3 0
3 years ago
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Vadim26 [7]
I think I’d B help this helps
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2 years ago
Jennifer was asked to rewrite each of the following expressions in word form, using the words sum, product, difference, and quot
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So,

We just have to substitute the appropriate words for the operations and grouping symbols.

A. Twenty times the quantity of the difference between y and 3.

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3 years ago
What are the first six nonzero multiples of 3
faust18 [17]
<span>The first 6 nonzero multiples of 3 are 3,6,9,12,15,18,</span>
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3 years ago
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Circumference if a circle with a diameter of seven
Dmitry_Shevchenko [17]

Answer:

Circumference = 2 x pi x r

Radius, r = 7/2

Circumference = 2 x 22/7 x 7/2

                         = 22 cm

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2 years ago
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