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For each of the following, answer the question and provide a short explanation of your reasoning.

(a) A 95% CI 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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Category:- Statistics and Probability
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