Week Four Quiz >>> Non probability sampling techniques such as convenience and quota sampling suffer from selection bias >>> Probability and Statistics: To p or not to p?
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Question 1
Non-probability sampling techniques, such as convenience and quota sampling, suffer from selection bias.
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Question 2
Response bias is an example of:
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Question 3
A sampling frame is required for:
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Question 5
In stratified random sampling, elements between strata should be:
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Question 4
In systematic sampling, the sampling interval, ii, is:
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Question 6
A sampling distribution is the:
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Question 7
An unbiased estimator has its expected value equal to the:
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Question 8
An xx% confidence interval covers the unknown parameter
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Question 8
Confidence intervals convert:
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Question 10
Other things equal, as the sample size nn increases the margin of error:
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Question 2
Selection bias is an example of:
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Question 3
In probability sampling:
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1.
Question 1
Quota sampling requires quota controls.
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Question 6
We use a statistic (called an estimator) calculated from sample observations to provide a point estimate of a:
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Question 9
Which of the following does not influence the size of the margin of error when considering the confidence interval for a population mean?
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Question 10
Other things equal, as the confidence level increases the margin of error: