A Researcher Measures the Amount of Coffee Consumed by College

Multiple Choice

A researcher measures the amount of coffee consumed by college students while studying during the final exam week.In her study,she found that students drink 2.3 ± 0.8 (M ± SD) cups of coffee per study session.Assuming the data are normally distributed,which of the following is the most appropriate conclusion?

A) The average student drinks less than 2.3 cups of coffee per study session.
B) Most students drink between 1.5 and 3.1 cups of coffee per study session.
C) Most students drink between 2.3 and 3.9 cups of coffee per study session.
D) Most students drink between 0 and 2.3 cups of coffee per study session.