5 mph Collision Damage ($)

Crash Type Goliath Varmint Weasel

Head-on 7001 7002 280

1,400 1,650 1,670

850 1,630 1,740

Slant 1,430 1,850 2,000

1,7401 700 1,510

1,240 1,650 2,480

Rear-end 700 860 1,650

1,250 1,550 1,650

970 1,250 1,240

(d)Perform Tukey multiple comparison tests.(Input the mean values within the input boxes of the first row and input boxes of the first column. Round yourt-values andcritical values to 2 decimal places and other answers to 1 decimal place.)

Post hoc analysis for Factor 1:

Tukey simultaneous comparisont-values (d.f. = 18)

Rear-End Head-On Slant

1235.6 1513.3 1733.3

Rear-End 1235.6

Head-On 1513.3 ?

Slant 1733.3 ? ?

Critical values for experiment wise error rate:

0.05 ?

0.01 ?

Post hoc analysis for Factor 2:

Tukey simultaneous comparisont-values (d.f. = 18)

Goliath Varmint Weasel

1142.2 1537.8 1802.2

Goliath 1142.2

Varmint 1537.8 ?

Weasel 1802.2 ? ?

critical values for experiment wise error rate:

0.05 ?

0.01 ?