48. Solving a chemistry problem
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4. When determining nitrates in watermelons by direct potentiometry, the following results were obtained (mcg/g):
0.28; 0.27; 0.25; 0.32; 0.26.
Calculate the mean value and its confidence interval (at P=0.95). Assess the reproducibility of the determination.
0.28; 0.27; 0.25; 0.32; 0.26.
Calculate the mean value and its confidence interval (at P=0.95). Assess the reproducibility of the determination.
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