Indicate whether each of the following italicized measurements is an example of
ID: 2921850 • Letter: I
Question
Indicate whether each of the following italicized measurements is an example of an inferential or descriptive statistic:
a. According to a recent study on exercise, every hour a person spends running adds
seven hours to his/her life span.
b. Twenty-two percent of those answering the survey reported that they strongly agreed that laws controlling the sale of assault weapons should strengthened.
c. Columbia students take an average of 12 credits each semester
d. The Garden City library lent almost 400 books last week.
e. The average American family has 3.14 members.
Explanation / Answer
descriptive statistics idescribes a huge amount of data with summary charts and tables, but do not attempt to draw conclusions about the population from which the sample was taken.
a. Inferential. A conclusion is drawn about the population.
b. Descriptive. The statistic is only about the sample
c. Inferential. The average is an estimate of the population
d. Inferential
e. Inferential