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|  | This example uses time-to-failure data from a life test done on incandescent light bulbs. The observed times-to-failure are given in the next table.    
 |  | [[Category: For Deletion]] | 
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|  | {| border="1" cellspacing="1" cellpadding="4" width="300" align="center"
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|  | |+ Observed times-to-failure for ten bulbs in hours. 
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|  | |-
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|  | ! valign="middle" scope="col" align="center" | Order Number 
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|  | ! valign="middle" scope="col" align="center" | Hours-to-failure
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|  | |-
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|  | | valign="middle" align="center" | 1 
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|  | | valign="middle" align="center" | 361
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|  | |-
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|  | | valign="middle" align="center" | 2 
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|  | | valign="middle" align="center" | 680
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|  | |-
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|  | | valign="middle" align="center" | 3 
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|  | | valign="middle" align="center" |  721
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|  | |-
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|  | | valign="middle" align="center" | 4 
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|  | | valign="middle" align="center" | 905
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|  | |-
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|  | | valign="middle" align="center" | 5 
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|  | | valign="middle" align="center" | 1010
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|  | |-
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|  | | valign="middle" align="center" | 6 
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|  | | valign="middle" align="center" |  1090
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|  | |-
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|  | | valign="middle" align="center" | 7 
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|  | | valign="middle" align="center" | 1157
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|  | |-
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|  | | valign="middle" align="center" | 8 
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|  | | valign="middle" align="center" | 1330
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|  | |-
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|  | | valign="middle" align="center" | 9 
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|  | | valign="middle" align="center" | 1400
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|  | |-
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|  | | valign="middle" align="center" | 10 
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|  | | valign="middle" align="center" | 1695
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|  | |}
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|  | ==== Create a Weibull life model for the data using probability plotting.  ====
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|  | [[Category:Weibull_Examples]] |  |