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Title: The selection of the significance level : Post by: gio21 on Feb 18, 2018 The selection of the significance level
A)is fixed at .05 for social science research. B) depends on the size of the population. C) is arbitrary, although .05 is frequently used. D) must be decided after finishing the analysis. In reference to sampling error, which of the following statements is valid? A) The smaller the sample, the less sampling error. B) Sampling error is an inverse function of sample size. C) Inferential statistics are addressed to sampling and non-sampling errors. D) Random assignment ensures no sampling error. A .05 level of significance means that A) there is only a 5 chance that the statistic's value could be obtained as a result of sampling errors only. B) one is 50 certain that the sample value is representative of the population. C) there is only a 5 chance that the variables tested are not independent. D) the results can be accepted because the sampling error is only 5. E)the level of confidence is only 5. Title: The selection of the significance level : Post by: zfatahi on Feb 18, 2018 Content hidden
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