Question: a) A study on different algorithms for estimating software development cost has been done. Six algorithms were applied to eight software development projects. The

a) A study on different algorithms for estimating software development cost has been done. Six algorithms were applied to eight software development projects. The data are in Table 1. Algorithm Project 1 1 1244 2 281 3 220 4 225 5 19 6 -20 Table 1 Data on six different algorithms Project 2 Project 3 Project 4 2221 1306 Project 5 Project 6 Project 7 527 21 905 839 129 336 910 473 84 300 794 488 83 291 826 509 11 15 103 87 35 -53 104 199 142 Do the algorithms differ in their mean cost estimation accuracy? Use a significance level of 0.05. 82 396 458 425 -34 543 552 121 170 Project 8 122 199 142 153 -17 41

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