49. Solving a chemistry problem
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2. In two laboratories, when determining silicon in biological material by the differential spectrometric method, the following results were obtained (%):
I- 0.84 0.95 0.91 0.91
II- 0.90 0.82 0.96 0.91 0.81
Is there a significant difference between the results of the two laboratories? If not, combine the data into one sample, calculate the mean and confidence interval (P=0.95). If yes, do the calculations for each laboratory separately.
I- 0.84 0.95 0.91 0.91
II- 0.90 0.82 0.96 0.91 0.81
Is there a significant difference between the results of the two laboratories? If not, combine the data into one sample, calculate the mean and confidence interval (P=0.95). If yes, do the calculations for each laboratory separately.
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