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QUESTION
- The resistance for 9 types of used in a distribution center was determined. The sample standard deviation was of s = 2.81 kg/cm 2.
1.- The resistance for 9 types of used in a distribution center was determined. The sample standard deviation was of s = 2.81 kg/cm2.
Supposing normality, obtain a confidence interval of 95% for s2 and s.
