Math 227 - Elementary Statistics » Summer 2022 » Activity 7

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Question #1
Which question is unbiased?
A.   Does the school board have the right to enforce a dress code?
B.   Do you think the mayor is doing a good job in spite of his questionable character?
C.   Do you prefer daytime or evening television programming?
D.   Do you think the government should be allowed to cut down trees willy-nilly to build a new highway?
Question #2
When a research company polls residents about their voting intentions, new Canadians are under-represented. This is an example of
A.   Unintentional Bias
B.   Response Bias
C.   Sampling Bias
D.   Non-Response 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.   deliberate bias
B.   selection bias
C.   response bias
D.   non-response 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.   response bias
C.   volunteer bias
D.   sampling bias

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