JMP output for the Analysis of the Octane Rating Data
.99
.95 .90
2
.75
1
.50
0
.25
.10 .05
-1
.01
-2
-3
8
4
2
87 88 89 90 91 92 93 94 95
Moments Mean Std Dev Std Err Mean upper 95% Mean lower 95% Mean N 90.9475 1.530039 0.2419204 91.43683 90.45817 40
Test Mean=value Hypothesized Value Actual Estimate df Std Dev 90 90.9475 39 1.53004 t Test 3.9166 0.0004 0.0002 0.9998
Test Statistic Prob > |t| Prob > t Prob < t
Count
6
Normal Quantile Plot
3