Control material should be analyzed how many times in order to determine the mean and SD?
A) 10-15
B) 20-30
C) 35-45
D) 50-60

Question

Quizplus · Accepted Answer

To accurately determine the mean and standard deviation (SD) for control material in a laboratory setting, analyzing the material 20-30 times is generally considered sufficient. This range provides a good balance between practicality and statistical reliability, allowing for a robust estimation of these parameters.

Control Material Should Be Analyzed How Many Times in Order