19 C-A table glass manufacturer has developed less expensive technology for improving the fire resistant glass. 10 glass table sheets were selected for testing. Half of them were treated by the new technology while the other half was used for comparison. Both lots were tested by fire until they cracked. These are the results: 1- the calculated mean and standard * deviation of the old technology respectively is Critical temperature (glass cracked) [°C] Old technology xị New technology yi 475 485 436 390 495 520 483 460

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a 10 c-A table glass manufacturer has developed less expensive technology for
improving the fire resistant glass. 10 glass table sheets were selected for
testing. Half of them were treated by the new technology while the other
half was used for comparison. Both lots were tested by fire until they
cracked. These are the results: 1- the calculated mean and standard
*:deviation of the old technology respectively is
Critical temperature (glass cracked) [°C]
Old technology X
New technology yi
475
485
436
390
495
520
483
460
426
488
30, 463
463,30
400, 37
330, 30
the calculated mean and standard deviation of the old technology -2
*:respectively is
49, 469
52, 500
469, 49
480, 50
Transcribed Image Text:a 10 c-A table glass manufacturer has developed less expensive technology for improving the fire resistant glass. 10 glass table sheets were selected for testing. Half of them were treated by the new technology while the other half was used for comparison. Both lots were tested by fire until they cracked. These are the results: 1- the calculated mean and standard *:deviation of the old technology respectively is Critical temperature (glass cracked) [°C] Old technology X New technology yi 475 485 436 390 495 520 483 460 426 488 30, 463 463,30 400, 37 330, 30 the calculated mean and standard deviation of the old technology -2 *:respectively is 49, 469 52, 500 469, 49 480, 50
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