4. The following calibration data were obtained by an instrumental method for the determination of the species X in aqueous solution. Concentration X, Cx No. Replications, Mean Analytical Standard Deviation, ppm 0.00 Signal, S 0.031 ppm 0.0079 25 2.00 0.173 0.0094 6.00 5 0.422 0.0084 10.00 5 0.702 0.0084 14.00 5 0.956 0.0085 18.00 5 1.248 0.0110

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.