The test statistic that is used to compare the variances of two populations follows the chi-square distribution.
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Q. 2Nominal data has all the properties of interval data with the added benefit of having a true zero point.
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Q. 3________ errors can occur as a result of a questionnaire that contains ambiguous questions.
A) Nonsampling
B) Sampling
C) Nonprobability
D) Judgment
Q. 4A sample proportion equal to 0.50 will require the smallest sample size to achieve a particular margin of error for a confidence interval for the proportion.
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Q. 5A weighted moving average assigns the average value of a set of data points to the center time period.
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Q. 6The number on baseball players' uniforms is an example of nominal data.
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Q. 7When performing a hypothesis test that compares the variances of two populations, always assign the smaller sample variance to Population 1 and the larger sample variance to Population 2.
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Q. 8Increasing the sample size will reduce the margin of error for a given confidence level.
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