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A test is conducted to compare three different income tax software packages...
A test is conducted to compare three different income tax software packages to determine whether there is any difference in the average time it takes to prepare income tax returns using the three different software packages. To avoid having differences in the skill-level of the accountants affect the outcome, ten of the firm's accountants process the same tax return in each of the three software packages. The time it takes is recorded for each software package. The ANOVA output is shown below. SUMMARY Count Sum Average Variance 9 30 31 101 3 2 31 12 6.5 2.16667 0.58333 25 8.33333 2.33333 7 2.33333 1.08333 10 3.33333 0.33333 181 33.5 11.1667 0.58333 4.5 1.5 0.25 8 101 Software A Software B Software C 10 47.5 47.5 60.5 4.75 12.9583 4.75 10.7917 6.05 13.4694 10 ANOVA Source of ssdf MSF p-value F crit Variation Rows 329.908 9 36.6565 130.227 1.60E-14 2.45628 Columns 11.2667 25.63333 20.0132 2.66E-05 3.55456 Error 5.06667 1 8 0.28148 Total 346.242 29 Based on the results, and assuming that the hypothesis tests are conducted at alpha = .05, what is the Fisher's LSD value for multiple comparisons? 1.91 O 0.5387 2.1149 O 0.4985