12) A partner has finished an experiment and submitted the following result for an analysis of testosterone in blood. Her external calibration data looked like: 10 15 20 25 30 Concentration PPM She determined that the concentration of testosterone 12 +/-2.3 ppm at the 90% C.L. from 3 measurements. What is the true concentration at the 99% C.L? Signal mV 222888220 160 140 100 60 40

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