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Assume that you have a sample of ny = 9, with the sample mean X7 = 41, and a sample standard deviation of S, = 7, and you hav

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X =41 X2 =B2 si = 7 82-8 nis 12 13 Confidence level = 90% = 0.go Tulo population vanhances are equal go we use pooledo, We wi2-SaMPTInt. t5x1:70 n1:9 SX2:8 12:13 C-Level:.9 Pooled: No Yes2-SaMeTint (3.3943, 14.696> df=20 X1=41 2=3 Sx1=7 HSX2=8

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