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For the data that follows, pretend that the observations are random samples from populations with means M1, M2, M3 and 44 res

(b) Complete the following table. Source D.F. Sum of Squares Mean Square Model Error Total) Provide a 95% confidence interval for us

(d) Provide a 95% confidence interval for M4 - M2.

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Solution Treatment count, ni mean, xi Stoli dev.si Sample variances sin2 Total sum grand mean A. . 3. 11:00 - 2.000 4. oro 33Anova Table MS Ferietal SS Model 1690.000 prabie 230.000 41.818 0.000 5.500 Error 440000 Total 1734.000 1ooos Xbar =9.000 MLevel of significance -0.0500 no. of treatments ,k=4 DF error - - N-k=8 MSE = 5-5000 t-critical value, t(&idf) = 2.306 Fisher

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