SAT, 16.02.2022 14:00 andreimru123123
The amount of lateral expansion was determined for a sample of n = 9 pulsed power gas metal work arc welds used in lng ship containment tanks. The resulting sample standard deviation was s = 2. 81. Assuming normality, 95% confidence interval for σ2 is.
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The amount of lateral expansion was determined for a sample of n = 9 pulsed power gas metal work arc...
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