Question

Which types of sampling errors exist in the following sampling designs?

1. The local newspaper plans to make a prediction for a senatorial election based on a survey of its readers.
2. A radio show asks people to phone in their views on whether the United States should pay off its debt to China.
3. A new social media website chooses to survey the first 50 members who join to determine whether members favor the appearance of the homepage.

Options:
A) I, voluntary; II, nonresponse; III, convenience
B) I, nonresponse; II, voluntary; III, convenience
C) I, voluntary; II, convenience; III, nonresponse
D) I, convenience; II, voluntary; III, nonresponse

Answer 1

The sampling errors in the given sampling designs are: I) convenience sampling, II) voluntary sampling, and III) nonresponse sampling.

Step-by-step explanation:

In the sampling designs mentioned:

1. The local newspaper plans to make a prediction for a senatorial election based on a survey of its readers. This is an example of convenience sampling as the sample is chosen based on the convenience of the newspaper's readers.
2. A radio show asks people to phone in their views on whether the United States should pay off its debt to China. This is an example of voluntary sampling as the respondents choose to participate in the survey by calling in.
3. A new social media website chooses to survey the first 50 members who join to determine whether members favor the appearance of the homepage. This is an example of nonresponse sampling as it excludes the members who do not respond to the survey.