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Verizon [17]
3 years ago
7

Which of the following best represents the highest potential for nonresponse bias in a sampling strategy? Describe why this opti

on should be considered nonresponse a. Surveying a population on Sunday mornings for a new needs assessment b. Submitting a post online advertising the need for participants in a new study c. Asking people leaving a local election to take part in an exit poll d. Posting a leaflet in the elevator of a university asking for students to take part in a paid study
Mathematics
1 answer:
natta225 [31]3 years ago
7 0

Answer:

c. Asking people leaving a local election to take part in an exit poll

Step-by-step explanation:

Asking people leaving a local election to take part in an exit poll best represents the highest potential for nonresponse bias in a sampling strategy because of the importance of the local election compared to the exit polls.

It is worthy of note that nonresponse bias occurs when some respondents included in the sample do not respond to the survey. The major difference here is that the error comes from an absence of respondents not the collection of erroneous data. ...

Oftentimes, this form of bias is created by refusals to participate for one reason or another or the inability to reach some respondents.

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benito read 14 books in 3 months, which was 35% of the number of books he had signed up to read during the school year .how many
lianna [129]
14 books in 3 months is 35%
all of books is 100%

14- 35%
x- 100%
we calculate from proportions, crosswise:
x=\frac{14*100}{35}=\frac{1400}{35}=40

Answer: Benito sign up to read 40 books.

Greetings,
n00nst00p :)
7 0
3 years ago
Please help out :)) and give a explanation
wolverine [178]

9514 1404 393

Answer:

  y = 3x

Step-by-step explanation:

A proportional relation has the equation ...

  y = kx

To write the desired equation, you need to know the value of k. That can be found from the given information:

  for x = 2, y = 6

  6 = k·2

  3 = k . . . . divide by 2

Now, we know the equation can be written ...

  y = 3x

5 0
2 years ago
In RSM camp, there are four counselors for every fifty seven students and three teachers for every five counselors.
Ray Of Light [21]

Answer:

Students : Counselors : Teachers = 285: 20 : 12

Step-by-step explanation:

In the camp, the ratio of:

( C: S )  Counselors : Students   is  4   :  57

( T: C )  Teachers :   Counselors  is  3   :  5

To determine the ratio of   -  Students : Counselors : Teachers

Here given      -  C : S  = 4 : 57

Multiplying both sides by 5, we get

C: S  = 4 x 5  : 57 x 5  = 20 : 285

So, for every 20 counselors, there are 285 students      ...... (1)

Similarly, given   Teachers :   Counselors  is  3   :  5

Multiplying both sides by 4, we get

T  : C  = 3 x 4  : 5 x 4  = 12  : 20

So, for every 12  teachers, there are 20 Counselors      ...... (2)

Hence, in both equation 1 and 2 the number of counselors is same = 20 .

Hence, both the ratios acne be combined.

So we get C : S  = 20 : 285      and T : C  = 12: 20

Inverting the values

⇒  S : C  = 285 : 20         and C : T  = 20 : 12

or, S : C : T  = 285: 20 : 12

or, Students : Counselors : Teachers = 285: 20 : 12

Hence, for every 285 students there are 20 counselors and 12 teachers.

4 0
3 years ago
Multiply: 0.27055 · 1,000
photoshop1234 [79]

0.27055*1,000=

270.55

-Hunter

4 0
2 years ago
Read 2 more answers
How do you graph exponential functions?
lukranit [14]

Answer:

Using the y = b^x formula

Step-by-step explanation:

3 0
2 years ago
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