In an ungrouped frequency distribution of the average age of high school graduates, what would be the boundaries for the class of graduates who were reported to be 18 years old?
A) 17.5-18.5 years old
B) 17.6-19.5 years old
C) 17.6-18.5 years old
D) 17-19 years old

Question

Quizplus · Accepted Answer

The boundaries for the class of graduates who were reported to be 18 years old would be 17.5-18.5 years old to ensure that the class width covers the entire range of ages that round to 18, without overlapping into the range that would round to 17 or 19. This method uses the concept of class boundaries to avoid ambiguity in class limits.

In an Ungrouped Frequency Distribution of the Average Age of High