Using regression analysis, use SAS to carry out the analysis of the responses of Example 2.2a containing the one-way experimental layout. There are four treatments with n1 observations for treatment 1, n2 observations for treatment 2, . . ., and n4 observations for treatment 4 with the following data: 

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1234 Treatment Observations 64 55 65 46 66 48 58 67 54 58 60 86 64 75 75 69 87 60 69 71 89 97 96 68 90 82 80 88 76 64 71 90 78 69 57 78 98 76 88 59 77 65