Check manufacturer-s claim of potency at given alpha
A new grug had a potency advertised at 75%. Given the following smaple data:
N=25X bar = 76.6%S=1%
a) Check manufacturer's claim of 775% potency at alpha = .05 (one tail)
b) Make a 90% confidence interval.
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A new grug had a potency advertised at 75%. Given the following smaple data. Check manufacturer's claim of 775% potency at alpha = .05 (one tail). Make a 90% confidence interval.
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