A pharmaceutical company wants to answer the question whether it takes longer than 45 seconds for a drug in pill form to dissolve in the gastric juices of the stomach.A sample was taken from patients taken the given drug in pill form and times for the pills to be dissolved were measured.State assumptions of the test.
I.The subjects must be part of a medical study group investigating the drug.
II.The subjects in the sample must be randomly selected from a population.
III.The sample data must come from a normally distributed population of observations for the variable under study.

Question

Quizplus · Accepted Answer

The correct assumptions for this test include that the subjects in the sample must be randomly selected from a population (II) to ensure the sample is representative, and the sample data must come from a normally distributed population of observations for the variable under study (III) to meet the assumptions of many statistical tests, including t-tests and ANOVA, which might be used to analyze the dissolution times.

A Pharmaceutical Company Wants to Answer the Question Whether It