Use the TI-84 Plus and the Excel printouts . In testing for a difference between the two
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Use the TI-84 Plus and the Excel printouts . In testing for a difference between the two population means, would you conclude that the assumption of a common variance is reasonable?
What is the observed value of the test statistic?
What are the degrees of freedom for the pooled estimate of the population variance? What is the p-value of the test? What can you conclude concerning the null hypotheses in this case if a 5.05?
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Related Book For 
Introduction To Probability And Statistics
ISBN: 9780357114469
15th Edition
Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver
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