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Title: What can we conclude if we reject the null hypothesis in an independent-samples t-test? Post by: Lost4ever on Mar 19, 2018 What can we conclude if we reject the null hypothesis in an independent-samples t-test?
a. It is likely that sampling error accounted for the differences between the sample means. b. It is likely that the sample means came from the same population. c. The difference between our sample means is unlikely to be representing zero difference in the population means. d. The difference between our sample means is merely a poor representation of zero difference in the population means. Question 2 What is the standard error of the difference? a. The standard deviation of the sample means b. The standard deviation of the sampling distribution of the mean c. The standard deviation of the sampling distribution of differences between means d. The pooled standard deviation from the populations from which the samples are drawn Question 3 What is pooled variance? a. The weighted average of the sample variances b. The variance of the difference between the sample means c. The sum of the two sample variances d. The variance of the populations from which the samples were drawn Question 4 N represents _____, whereas n represents _____. a. the total number of scores in the study; the number of scores in each sample b. the number of scores in each sample; the total number of scores in the study c. the number of pairs in the study; the number of difference scores in the study d. the number of difference scores in the study; the number of pairs in the study Title: What can we conclude if we reject the null hypothesis in an independent-samples t-test? Post by: mt on Mar 19, 2018 c c a a |