Statistical test for clearance zones

N. Davies nospam at
Wed Apr 5 13:13:45 EST 2000

I am doing an experiment to see whether certain antibiotics affect B.
subtilis. It involves measuring the diameter of the zone of clearance. Would
I be right in thinking a t-test could be used to analyse 2 of the 8 samples?
But my main question is what statistical test could be used which
incorporates all the samples?


N. Davies

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