A researcher wanted to determine whether eating sugary cereal for breakfast increased the aggression of second graders during their morning play period.After feeding a group of 20 students sugary cereal for breakfast she observed that, on average, the students committed 4.5 aggressive behaviors during their morning play period.In this example, the descriptive statistic is:
A) the 4.5 aggressive behaviors.
B) the 20 students the researcher observed.
C) all second graders.
D) all second graders who ate sugary cereal for breakfast.

Question

Quizplus · Accepted Answer

The descriptive statistic in this example is the average number of aggressive behaviors committed by the group of students who ate sugary cereal for breakfast.

A Researcher Wanted to Determine Whether Eating Sugary Cereal for Breakfast