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Nikolay [14]
3 years ago
14

Identify the type of sampling bias guaranteed to occur in each of the sampling schemes, based on the information provided. Some

sampling schemes may incur multiple types of bias
A political poll is conducted by contacting people on landline phones. The pollsters did not keep track of how many people they contacted who did not respond.

A political poll is administered by contacting people on landline phones. The pollsters contacted 10,000 households, and 2366 individuals agreed to speak with the caller.

A political poll is conducted by allowing users to register on a website and fill out an online survey.

A political poll asks the question, "If you found out that Candidate A was arrested when he was younger, would that change your opinion of how immoral Candidate A is?"
Mathematics
1 answer:
melisa1 [442]3 years ago
8 0

Answer:

1. i Sampling bias and

   ii. Question order bias

2. Non response Bias

3.i. sampling bias

ii.question order bias

4. i. response bias

ii.sampling bias

Step-by-step explanation:

we have basically four types of bias in a research which are;

1. Sampling bias

2. Response bias

3. Non response bias

4. Question order bias

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A survey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet,
lapo4ka [179]

Answer: 27.4 hours

Step-by-step explanation:

According to the given statement "A survey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, etc.)."

Since the word average is synonym of word mean.

Therefore, the sample mean must have the nearest value to the given average.

From the given options 27.4 is the nearest value to the average of 258.6.

Hence, the population mean = 27.4 hours.

3 0
3 years ago
Subtract-3x - 8 from 4x² - 7x - 2.
allsm [11]

( {4x}^{2}  - 7x - 2) - (3x - 8) \\  \\  {4x}^{2}  - 7x - 2 - 3x + 8 \\  \\  {4x}^{2}  - 10x + 4.

3 0
1 year ago
Solve the equation 8x-4=x+10
ahrayia [7]

Answer:

8x-4=x+10

8x-x = 10+4

7x = 14

x= 14/7

x= 2

<h2>HOPE IT HELPED U ...</h2>
8 0
3 years ago
Read 2 more answers
Find the volume of a pyramid with a square base, where the perimeter of the base is 10.1\text{ ft}10.1 ft and the height of the
rjkz [21]

Answer:

28.5 ft^3

58.3 m^3

Step-by-step explanation:

volume of a pyramid = 1/3 x length x width x height

Perimeter of a pyramid = 4 x length

10.1 = 4 x length

length = 10.1 / 4 = 2.525

1/3 x (2.525 x 2.525 x 13.4) = 28.5 ft^3

1/3 x (6.1 x 6.1 x 4.7) = 58.3 m^3

the tenth is the first number after the decimal place. To convert to the nearest tenth, look at the number after the tenth (the hundredth). If the number is greater or equal to 5, add 1 to the tenth figure. If this is not the case, add zero

8 0
2 years ago
In the word problem below, what answer or solution are you being asked to
sweet-ann [11.9K]

Answer:

the answer is C 6x2 .....................

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2 years ago
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