15. The following is output relating to a post-hoc test, after a one-way ANOVA:

Multiple Comparisons Dependent Variable: Current Salary Tukey HSD

(J) Employment Category Custodial Manager Std. Error

$2,023.76

$1,228.35

$2,023.76 Sig.

.276

.276

.000 95%

Confidence Interval Lower Bound Clerical 2$1,642.74 $7,843.44 Manager $2,244.41 .000 Custodial

* The mean dierence is significant at the .05 level.

Mean Dierence

(I–J)

2$3,100.35

$3,100.35 2$36,139.26*

2$33,038.91*

Clerical $1,228.35

$2,244.41

.000

.000 2$7,843.44 2$39,018.15 2$38,299.13

$33,260.37

$27,778.69 Upper Bound

$1,642.74 2$33,260.37 2$27,778.69

$39,018.15

$38,299.13

$36,139.26*

$33,038.91*

(I) Employment Category Clerical Custodial Manager Which groups differ significantly from each other?

(a) Clerical and custodial occupations only

(b) Custodial and manager occupations only

(c) Manager and clerical occupations only

(d) Manager and clerical plus manager and custodial