Question: 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

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?

9. NORMAL FLOAT AUTO REAL RADIAN MP D 172 2-SampTTest t=-2.937233199 p=0.0096638005

9. NORMAL FLOAT AUTO REAL RADIAN MP D 172 2-SampTTest t=-2.937233199 p=0.0096638005 df=16 X1=47.35 x2=56.47 Sx1=7.1 Sx2=6.08

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