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Tatiana [17]
3 years ago
7

A social researcher wants to collect data on study habits of all first-year college students. Her daughter, a first-year college

student, offers to hand out brief surveys for her mother at her college library where she studies. Her daughter mails 20 completed surveys back to her mother. Which best describes the 20 completed surveys?
A. a convenience sample that is not representative of all first-year college students
B. a volunteer sample that is a fair representation of all first-year college students
C. a simple random sample biased against male students at the college
D. a simple random sample that is biased against students who were not at the library
Mathematics
1 answer:
MArishka [77]3 years ago
6 0

Answer:

i would say A. a convenience sample that is not representative of all first-year college students. there are more than 20 first-year college students in the world so obviously only talking to 20 of them won't be representative of /everyone/

and the convenience is that she only handed them out to people in the library; where she spends most of her time, therefore making it more convenient for her.

Step-by-step explanation:

(please mark brainliest if i am correct)

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Out of -1.81 , 1 3/4 , -1.3 , -1 4/5 is the least or greatest
Juli2301 [7.4K]

Answer:

-1.81 is the least and 1 3/4 is the greatest

Step-by-step explanation:

1 3/4 is also 1.75     -1 4/5 is also -1.8

Ordered from least to greatest:

-1.81, - 1 4/5, -1.3, 1 3/4

5 0
4 years ago
Two friends are collecting stuffed animals. Veronica has 5 more than double the number of stutted
STatiana [176]

v + m = 32 and v = 5 + 2m are the equations that are used  to determine m, the number of stuffed animals Mariposa has

Number of stuffed animals Mariposa has is 9 and number of stuffed animals with Veronica is 23

<h3><u>Solution:</u></h3>

Let "v" be the number of stuffed animals with Veronica

Let "m" be the number of stuffed animals with Mariposa

Given that,

Together, they have 32 stuffed animals

Therefore,

v + m = 32  --------- eqn 1

Veronica has 5 more than double the number of stutted  animals as her friend Mariposa

Therefore,

Number of stuffed animals with Veronica = 5 + 2(number of stuffed animals with Mariposa)

v = 5 + 2m ---------- eqn 2

Thus eqn 1 and eqn 2 can be used to determine m, the number of stuffed animals Mariposa has

Let us solve eqn 1 and eqn 2

Substitute eqn 2 in eqn 1

5 + 2m + m = 32

5 + 3m = 32

3m = 32 - 5

3m = 27

<h3>m = 9</h3>

Substitute m = 9 in eqn 2

v = 5 + 2(9)

v = 5 + 18

<h3>v = 23</h3>

Thus number of stuffed animals Mariposa has is 9 and number of stuffed animals with Veronica is 23

5 0
3 years ago
Is this adjacent or vertical
vazorg [7]

Is there supposed to be an image? Adjacent is adjoining, so like touching each other. Vertical is "up". Horizontal is "side"

4 0
3 years ago
Read 2 more answers
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PolarNik [594]
A = 2
b = -5
c = 6

The coefficients are 2 and -5
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5 0
4 years ago
A function is shown in the table.
Anna71 [15]
<span>Given:
x       g(x)
−3      17
−1      −3
0        −4
2        13

The true statement for the given function is:
</span><span>The function is decreasing from x = −3 to x = −1.
</span><span>
As you can see, when x = -3 the corresponding value of the function is 17 but when x = -1 the corresponding value is -3. There is a decrease of 20. </span>→<span>  17 - 20 = -3



</span>
3 0
3 years ago
Read 2 more answers
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