7. Solving a chemistry problem

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7. Solving a chemistry problem

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2. The content of Fe2Oz in the ore was determined by the permanganometric method and the complexometric method. The following results were obtained (%): a) 60.12; 61.00; 61.25; b) 58.75; 58.90; 59.50. Is there a statistically significant difference between the results of analysis by these methods?
Answer: the difference S is insignificant; the difference is significant for s.

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