Farmer Marc Anthony delivered a plea at the county fair, asking the county's three groups to lend him some unshelled corn. Examine the selected output from SPSS to determine whether there was a difference in the number of unshelled ears of corn provided by these three groups. Use the .05 level of significance

a. Can the assumption of homogeneity of variance be supported? Please use information from your printout to support your decision.

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b. H_o: _______________________________________________________

c. H_a: _______________________________________________________

d. Appropriate statistical test:

(indicate type of statistical test, df)

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e. Value of computed statistic (result from SPSS):

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f. Decision about null hypothesis:

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g. Which specific groups differ from each other in the number of ears provided to Marc?

h. Verbal Conclusions:

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Descriptives Unshelled Com 85% Confidence Interval for Mean N Mean Sid. Deviation St. Error Lower Bound Upper Bound Minimum Maximum Friends 5 20.4000 3.20936 1.43527 25.4151 33.3849 25.00 32.00 Romans 24.4000 3.97492 1.77764 18.4645 29.3355 21.00 31.00 Countryman 5 15.0000 4.63681 2.07364 9.2426 20.7574 12.00 23.00 Total 15 22.8333 7.18590 1.85797 18.9484 26.9183 12.00 32.00\fStatistical Test Unshelled Com Sum of Squares of Mean Square F Sig. Between Groups 534.533 2 267.267 16.845 .000 Within Groups 190.400 12 15.867 Total 724.933 14Multiple Comparisons Dependent Variable: Unshelled Com Tukey HSD Mean Difference 95% Confidence Interval () GROUP (J) GROUP (-J) Std. Error Sig. Lower Bound Upper Bound Friends Romans 5.0000 2.51926 . 158 -1.7210 11.7210 Countryman 14.400 0* 2.51926 .000 7.6790 21.1210 Romans Friends -5.00 00 2.51926 . 158 -11.7210 1.7210 Countryman 9.4000* 2.51926 007 2.6790 16.1210 Countryman Friends -14.4000* 2.51926 .000 -21.1210 -7.6790 Romans -9.4000* 2.51926 .007 -16.1210 -2.6790 ". The mean difference is significant at the _05 level