TABLE 2-4
Every spring semester, the School of Business coordinates with local business leaders a luncheon for graduating seniors, their families, and friends. Corporate sponsorship pays for the lunches of each of the seniors, but students have to purchase tickets to cover the cost of lunches served to guests they bring with them. The following histogram represents the attendance at the senior luncheon, where X is the number of guests each graduating senior invited to the luncheon and f is the number of graduating seniors in each category.

-When constructing charts, the following is plotted at the class midpoints:
A) frequency histograms.
B) percentage polygons.
C) cumulative relative frequency ogives.
D) All of the above.

Question

TABLE 2-4
Every spring semester, the School of Business coordinates with local business leaders a luncheon for graduating seniors, their families, and friends. Corporate sponsorship pays for the lunches of each of the seniors, but students have to purchase tickets to cover the cost of lunches served to guests they bring with them. The following histogram represents the attendance at the senior luncheon, where X is the number of guests each graduating senior invited to the luncheon and f is the number of graduating seniors in each category.
 
-When constructing charts, the following is plotted at the class midpoints:
A) frequency histograms. 
B) percentage polygons. 
C) cumulative relative frequency ogives. 
D) All of the above.

Quizplus · Accepted Answer

Percentage polygons are plotted at the class midpoints, representing the percentage of observations within each class interval.

TABLE 2-4 Every Spring Semester, the School of Business Coordinates with Local