Mathematics, 01.08.2019 03:20 phillipsk5480

The amount of lateral expansion (mils) was determined for a sample of n = 9 pulsed-power gas metal arc welds used in lng ship containment tanks. the resulting sample standard deviation was s = 2.84 mils. assuming normality, derive a 95% ci for ? 2 and for ? . (round your answers to two decimal places.)

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