Math 227 - Statistics » Fall 2020 » Activity 7

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Question #1
Which question is unbiased?
A.   Do you think the government should be allowed to cut down trees willy-nilly to build a new highway?
B.   Do you prefer daytime or evening television programming?
C.   Does the school board have the right to enforce a dress code?
D.   Do you think the mayor is doing a good job in spite of his questionable character?
Question #2
When a research company polls residents about their voting intentions, new Canadians are under-represented. This is an example of
A.   Sampling Bias
B.   Response Bias
C.   Non-Response Bias
D.   Unintentional Bias
Question #3
A researcher is conducting a survey among students to determine their mean age. Data is collected by asking the age of a simple random sample of 150 students. The researcher simply asked the ages of these students. The results of this study, if applied to all students in the university, are questionable because of
A.   response bias
B.   non-response bias
C.   selection bias
D.   deliberate bias
Question #4
A survey is handed out by loud volunteers on a street corner. Some people are suspicious of the volunteers and choose to not participate in the survey. This is an example of:
A.   non-response bias
B.   sampling bias
C.   volunteer bias
D.   response bias

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