In a bumper test, three types of autos were deliberatelycrashed into a barrier a
ID: 2915157 • Letter: I
Question
In a bumper test, three types of autos were deliberatelycrashed into a barrier at 5 mph, and the reulsting damage (indollars) was estimated. Five test vechicles ofeach type werecrashed, with the results below. Are the mean crash damages for thesame 3 vehicles? Crash dAmage goliath varmint weasel 1600 1290 1090 760 1400 2100 880 1390 1830 1950 1850 1250 1220 950 1920 In a bumper test, three types of autos were deliberatelycrashed into a barrier at 5 mph, and the reulsting damage (indollars) was estimated. Five test vechicles ofeach type werecrashed, with the results below. Are the mean crash damages for thesame 3 vehicles? Crash dAmage goliath varmint weasel 1600 1290 1090 760 1400 2100 880 1390 1830 1950 1850 1250 1220 950 1920Explanation / Answer
Mean
n
Std. Dev
Variance
Group
1,282.0
5
496.31
246,324
Goliath
1,376.0
5
321.84
103,581
Varmint
1,638.0
5
441.78
195,170
Weasel
1,432.0
15
424.32
Total
One factor ANOVA
Source
SS
df
MS
F
p-value
Treatment
340,360.00
2
170,180.000
0.94
.4188
Error
2,180,280.00
12
181,690.000
Total
2,520,640.00
14
Mean
n
Std. Dev
Variance
Group
1,282.0
5
496.31
246,324
Goliath
1,376.0
5
321.84
103,581
Varmint
1,638.0
5
441.78
195,170
Weasel
1,432.0
15
424.32
Total