Phd tim-demonstrate inferences using two samples-see attached


Week 5’s assignment is quite similar to that of Week 4.  Instead on inferences, you can make regarding a single sample, you will make inferences regarding two samples.   Once again, you will formulate a confidence interval to estimate the population means.  You will consider two independent samples as well as two paired samples, for example, a sample that represents some characteristic before and after the introduction of some stimulus.  You will also study two population proportions.  This assignment should strengthen your understanding of hypothesis testing.

Download Data File 5 Attachment 5 and complete the questions and answers as presented.  Unless otherwise requested, submit all assignments with the problems/questions and answers in Word file format

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