A pharmaceutical company investigating whether drug stores are less likely than food markets to
Remove over-the-counter drugs from the shelves when the drugs are past the expiration date
Found a P-value of 2.8%. This means that:
A) none of these
B) There is a 2.8% chance the drug stores remove more expired over-the-counter drugs.
C) 2.8% more drug stores remove over-the-counter drugs from the shelves when the drugs are past the expiration date.
D) There is a 97.2% chance the drug stores remove more expired over-the-counter drugs.
E) 97.2% more drug stores remove over-the-counter drugs from the shelves when the drugs are past the expiration date than drug stores.

Question

Quizplus · Accepted Answer

A P-value of 2.8% indicates that there is a 2.8% probability of observing the data, or something more extreme, assuming the null hypothesis is true. It does not directly provide probabilities about the actions of drug stores or percentages of stores removing drugs.

A Pharmaceutical Company Investigating Whether Drug Stores Are Less Likely