You have been told to continue monitoring the resistance of an electronic component with the existing shewhart control charting scheme using the sampling method used by the person on the previous shift. you see in a log that for the samples he collected, r was 0.525 ohms, and the estimate of σx that he determined from his data was 0.207 ohms. there is, however, no record of the sample size he used. based on the information available to you, what sample size do you use to continue testing in the same manner