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Mathematics, 12.03.2020 20:15 prettyprincess9643

The amount of lateral expansion (mils) was determined for a sample of n = 8 pulsed-power gas metal arc welds used in LNG ship containment tanks. The resulting sample standard deviation was s = 2.88 mils. Assuming normality, derive a 95% CI for σ2 and for σ. (Round your answers to two decimal places.)

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