Question

The labeled potency of a tablet dosage form is 200 mg. Nine individual tablets are assayed according to a quality control specification. The 9 assay results are as follows:

203.9; 205.5; 199.4; 214.9; 203.7; 201.6; 208.5; 200.8; 205.9.

Compute a 99% confidence interval for the true mean potency of that batch. Does it include the label value of 200 mg?

Answer 1