A modification has been made to the process for producinga certain type of time-zero
Chapter 15, Problem 12(choose chapter or problem)
A modification has been made to the process for producinga certain type of time-zero film (film that begins todevelop as soon as a picture is taken). Because the modificationinvolves extra cost, it will be incorporated only ifsample data strongly indicates that the modification hasdecreased true average developing time by more than 1 second.Assuming that the developing-time distributions differonly with respect to location, if at all, use the Wilcoxonrank-sum test at level .05 on the data just above Exercise 13to test the appropriate hypotheses.
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