5. Analysis data of eight samples of steel with a twofold distribution of manganese content:
0.68 1.01 1.25 0.54 0.41 0.72 0.92 0.84
0.69 1.00 1.24 0.52 0.38 0.75 0.95 0.87
Calculate the root-mean-square error of the analysis of several samples with different contents of the analyte.

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