ABSTRACT
The failure (removal) times (hours) for 34 vacuum tubes are shown in Table 47.1. Also shown are the censored times (underlined) for an additional 9 vacuum tubes [1]. There was a removal at t = 0 hours that was not considered in the following analyses. Use of the two-parameter normal model was suggested [1]. Failure and Censored Times for 43 Vacuum Tubes
120
280
280
300
300
310
310
330
340
360
360
470
470
490
490
550
550
560
560
570
580
580
610
610
650
690
780
800
800
860
880
1000
1020
1040
1050
1200
1200
1260
1310
1320
1650
1670
1800
