3. Four 10.00 cm3 aliquots of Na2C2O4 solution are titrated with KMnO4 solution. For titration spent, respectively: 15.25; 15.05; 15.00; 15.15 cm3 KMnO4 Assess the suitability of the titration results for statistical processing using the Q-criterion. For valid data, calculate the bounds on the confidence interval for the average volume of KMnO4 at a confidence level of P=0.95

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