Exam 1: Describing Data: Graphical

Which of the following best describes the data: zip codes for students attending Glenville College?

The nominal level of measurement indicates the rank ordering of items.

Which of the following best describes the data: grade point averages for athletes?

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: An investment advisor recently reviewed the account activity of a sample of 10 of his clients and calculated the average number of stock trades per month over the past year for each client.He obtained the following data values: 10.2,2.5,11.4,3.2,1.1,3.4,8.4,9.7,11.2,and 2.4. -Construct a frequency distribution of the data.

A professor is looking for a volunteer for a project.She chooses the individual whose name is first in alphabetical order.This is an example of a simple random sample.

We can describe graphically the shape of the distribution by a histogram,which can be symmetrical or asymmetrical.

Every ogive starts on the left with a cumulative relative frequency of zero at the lower class boundary of the first class and ends on the right with a cumulative relative frequency of 100% at the upper class boundary of the last class.