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RideAnS [48]
3 years ago
5

The student government at a college is interested in determining how important intercollegiate sports are to the students there.

Because all students have e-mail accounts, the student government can send a survey to all the students. About 50% of the students respond. Which is the most likely bias in this sample?
Mathematics
1 answer:
melomori [17]3 years ago
5 0

Answer: self-selection bias

Step-by-step explanation:

In statistics, self-selection bias occurs in a situation where individuals select themselves into a group, leading to a biased sample with nonprobability sampling.

It is the problem that very always results when survey respondents are allowed to decide entirely for themselves whether or not they are interested in a survey. To the extent that respondents' propensity for participating in the study is correlated with the substantive topic the researchers are trying to study, there will be self-selection bias in the resulting data.

In most cases, self-selection will lead to biased data, as the respondents who choose to participate will not well represent the entire target population.

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Can someone please help me with this similar area question? I have the answer but I’m not sure how to get to it. Will make brain
Mumz [18]

Step-by-step explanation:

well there is a very simple point that you have mistaken tho:

484cm², 25cm²

Areas are defined in square cm but the radius is in cm

so:

\sqrt{ \frac{484 {cm}^{2} }{25 {cm}^{2} } }  =  \frac{7.92}{r}  =  =  =  > 4.4 =  \frac{7.92cm}{x}  =  =  > x =  \frac{7.92cm}{4.4}  = x = 1.8cm

and there you go

5 0
2 years ago
Which compound inequality is equivalent to |ax-b|>c for all real numbers a, b, and c, where c>0
garik1379 [7]

Answer:

D. ax-b<-c or ax-b>c is the correct answer.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
If AACD ~ AABE, find the value of x.
Anastaziya [24]

9514 1404 393

Answer:

  x = 16

Step-by-step explanation:

Corresponding sides are proportional.

  BE/CD = AE/AD

  20/(3x+8) = (x-1)/(x-1+27)

  20(x+26) = (3x+8)(x -1)

In standard form, this is ...

  3x^2 -15x -528 = 0

  x^2 -5x -176 = 0 . . . . . . divide by 3

  (x -16)(x +11) = 0 . . . . . . . factor

  x = 16

__

This is the positive value that makes the product zero. x=-11 will also make the product 0, but gives negative segment lengths in the geometry. It is an extraneous solution.

4 0
3 years ago
After adding an 8-pound box with 6 identical boxes, the crate weighed 72 boxes
damaskus [11]

After adding 8 students to each of 6 same-sized teams, there were 72 students altogether.

After adding an 8-pound box of tennis rackets to a crate with 6 identical boxes of ping pong paddles, the crate weighed 72 pounds.

The first situation has all equal parts, since additions are made to each team. An equation that represents this situation is 6( x + 8 ) = 72, where x represents the original number of students on each team. Eight students were added to each group, there are 6 groups, and there are a total of 72 students.

In the second situation, there are 6 equal parts added to one other part. An equation that represents this situation is 6x + 8 = 72, where x represents the weight of a box of ping pong paddles, there are 6 boxes of ping pong paddles, there is an additional box that weighs 8 pounds, and the crate weighs 72 pounds altogether.

In the first situation, there were 6 equal groups, and 8 students added to each group. 6( x + 8 ) = 72.

In the second situation, there were 6 equal groups, but 8 more pounds in addition to that. 6x + 8 = 72.

6 0
3 years ago
Write 1 and 1/5 and 1 and 1/3 using a common denominator :)
RUDIKE [14]

Answer:

1 3/15

1 5/15

Step-by-step explanation:

6 0
2 years ago
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