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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
7.70 Basic concepts. For each of the following, answer the question and give a short explanation of your reasoning.
(a) A 95% confidence interval for the difference between two means is reported as (−0.1, 1.5). What can you conclude about the results of a significance test of the null hypothesis that the population means are equal versus the two-sided alternative?
(b) Will larger samples generally give a larger or smaller margin of error for the difference between two sample means?
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