The Average Age in a Sample of 90 Students at City

question 72

Multiple Choice

The average age in a sample of 90 students at City College is 20. As a result of this sample, it can be concluded that the average age of all the students at City College

• A)must be more than 20, since the population is always larger than the sample
• B)must be less than 20, since the sample is only a part of the population
• C)could not be 20
• D)could be larger, smaller, or equal to 20