project 2 handout - Difference Sample Mean 1 - 2 Std. Err....

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Difference Sample Mean Std. Err. DF T-Stat P-value μ 1 - μ 2 -0.2175 0.10241867 78 -2.1236362 0.0369 + Summary statistics: Colum n n Mean Variance Std. Dev. Std. Err. Media n Rang e Min Max Q1 Q3 var1 40 2.992 5 0.2617371 7 0.5116026 0.0808914 7 3 2 2 4 2.7 3.35 var2 40 3.21 0.1578461 5 0.3972985 7
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This note was uploaded on 02/15/2012 for the course STATS 212 taught by Professor Staff during the Fall '08 term at Washington State University .

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