There are many ways to take the sample. For each option, decide what type of bias it may have and how it would affect our sample average. a. You go to the library on a Friday night and ask 30 random students their weekly studying time. This may have [ Select ] , causing the sample average to be [ Select ] . b. You stand out on the plaza around lunch time and ask random people how much they study, and some people don't answer because they're too busy with their 18-credit load semester. This may have [ Select ] , causing the sample average to be [ Select ] . c. The deans send a survey to all students asking them to estimate their weekly studying time and only the active top-performing students respond. This may have [ Select ] , causing the sample average to be [ Select ] .

Question

01-02-2022
Mathematics

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There are many ways to take the sample. For each option, decide what type of bias it may have and how it would affect our sample average. a. You go to the library on a Friday night and ask 30 random students their weekly studying time. This may have [ Select ] , causing the sample average to be [ Select ] . b. You stand out on the plaza around lunch time and ask random people how much they study, and some people don't answer because they're too busy with their 18-credit load semester. This may have [ Select ] , causing the sample average to be [ Select ] . c. The deans send a survey to all students asking them to estimate their weekly studying time and only the active top-performing students respond. This may have [ Select ] , causing the sample average to be [ Select ] .

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anthougo anthougo · Answer 1 · 2022-02-06T13:00:41+01:00

a. By going to the library on a Friday night and asking 30 random students their weekly studying time, it may have d. no bias, causing the sample average to be b. just right.

b. Asking random people on the plaza how much they study, when some people do not respond because they are too busy, may have c. non-response bias, causing the sample average to be a. too low.

What is a non-response bias?

Non-response bias occurs when some respondents in the sample do not respond. The non-response bias is caused by respondents' refusal to participate.

c. When only the active top-performing students respond to the dean's survey, this may have b. self-selection bias, causing the sampling average to be c. too high.

What is self-selection bias?

Self-selection bias occurs when research participants choose whether or not to opt-in or out of the experiment. In addition, the group which participates (the active top-performing students) does not equate to the group that opts out, especially in terms of the research criteria.

Question Completion with answer options:

a.1. You go to the library on a Friday night and ask 30 random students their weekly studying time. This may have

Options for a.1:

a. sampling,

b. self-selection,

c. non-response,

d. no bias,

a.2. causing the sample average to be [ Select ] .

Options a.2:

a. too low

b. just right

c. too high

b.1. You stand out on the plaza around lunch time and ask random people how much they study, and some people don't answer because they're too busy with their 18-credit load semester. This may have [ Select ],

Options b.1:

a. sampling

b. self-selection

c. non-response

b.2. causing the sample average to be [ Select ] .

Option b.2:

a. too low

b. just right

c. too high

c.1. The deans send a survey to all students asking them to estimate their weekly studying time and only the active top-performing students respond. This may have [ Select ] ,

Options c.1:

a. sampling

b. self-selection

c. non-response

c.2. causing the sample average to be [ Select ].

Option c.2:

a. too low

b. just right

c. too high

Thus, sampling average means the sample mean, which is a portion of the population.

Learn more about types of sampling bias at https://brainly.com/question/15062060 and https://brainly.com/question/19129039