Exam 12: Sampling: Final and Initial Sample Size Determination

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The number of interviews that must be completed is the ________.

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Discuss what can be done to reduce not-at-homes.

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The ________ is a correction for overestimation of the variance of a population parameter,e.g. ,a mean or proportion,when the sample size is 10 percent or more of the population size.

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Specify the level of confidence is the first step in the confidence interval approach to determining sample size.

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Suppose a simple random sample of five hospitals is to be drawn from a population of 20 hospitals.There are 15,504 different samples of size 5 that can be drawn.The relative frequency distribution of the values of the mean of these 15,504 different samples would specify the ________ of the mean.

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Two major nonresponse issues in sampling are improving response rates and adjusting for nonresponse.

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The process of generalizing the sample results to the population results is called statistical inference.

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Because low response rates increase the probability of response bias,an attempt should always be made to improve the response rate.

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Which method of improving response rate involves use of the foot-in-the-door or door-in-the-face technique?

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Which statement is not true about nonresponse issues in sampling?

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When using the confidence interval approach to sample size determination,in some cases,precision is specified in relative rather than absolute terms.In other words,it may be specified that the estimate be within plus or minus R percentage points of the mean.

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