An article in Communications of the ACM (Vol. 30, No. 5,

Chapter 13, Problem 13-49

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An article in Communications of the ACM (Vol. 30, No. 5, 1987) studied different algorithms for estimating software development costs. Six algorithms were applied to eight software development projects and the percent error in estimating the development cost was observed. The data are in Table 13-17. (a) Do the algorithms differ in their mean cost estimation accuracy? Use 0.05. (b) Analyze the residuals from this experiment. (c) Which algorithm would you recommend for use in practice?

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