STATISTICAL TECHNIQUES AND TOOLS
SAMPLING DISTRIBUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Researchers will conduct a study of the television-viewing habits of children. They will select a simple random sample of children and record the number of hours of television the children watch per week. The researchers will report the sample mean as a point estimate for the population mean. Which of the following statements is correct for the sample mean as a point estimator?
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A sample of size 25 will produce more variability of the estimator than a sample of size 50.
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A sample of size 25 will produce less variability of the estimator than a sample of size 50.
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A sample of size 25 will produce a biased estimator, but a sample size of 50 will produce an unbiased estimator.
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A sample of size 25 will produce a more biased estimator than a sample of size 50.
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A sample of size 25 will produce a less biased estimator than a sample of size 50.
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Explanation:
Detailed explanation-1: -Which of the following best describes a simple random sample (SRS) of size n? A. It is a random sample of size n selected so that everyone in the population has the same chance of being included in the sample.
Detailed explanation-2: -Which of the following would be the best reason why the simulation of the sampling distribution is not approximately normal? The sample size was not sufficiently large.
There is 1 question to complete.