The amount of lateral expansion (mils) was determined for a sample of n = 5 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 o2 and for o. (Round your answers to two decimal places.) CI for ² CI for o mils² mils

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The amount of lateral expansion (mils) was determined for a sample of n = 5 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 o² and for o. (Round your answers to
two decimal places.)
CI for ²
CI for o
mils²
mils
You may need to use the appropriate table in the Appendix of Tables to answer this question.
Transcribed Image Text:15 The amount of lateral expansion (mils) was determined for a sample of n = 5 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 o² and for o. (Round your answers to two decimal places.) CI for ² CI for o mils² mils You may need to use the appropriate table in the Appendix of Tables to answer this question.
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