Page 268 - Fundamentals of Probability and Statistics for Engineers
P. 268
Observed Data and Graphical Representation 251
6000
Number of observations 4000
2000
0
0 1 2 3 4 5 6
Number of accidents in six years
Figure 8.2 Histogram from six-year accident data (data source: Burg, 1967, 1968)
100
80
Number of observations 60
40
20
0
64 67 70 73 76
Percentage yield
Figure 8.3 Histogram for percentage yield with four intervals (data source: Hill, 1975)
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