Stat 250.1-2 Fall 1998 Name ________________________________
Activity #1: Tables and graphs Student ID __ __ __ - __ __ - __ __ __ __
 
Form a group of 3-4 students.   As a group, study Graph A and Table A, and answer the related questions.

Graph A

Graph A represents a "picture" of the grade point averages of a sample of 92 students in a Spring 1998 Stat 250 class.
What type of data are summarized in Graph A?
 

Using the graph as a source of information, write one statement about the GPAs of Spring 1998 Stat 250 students.
 
 
 
 
 
 
 

Suppose a classmate has the 92 original "data points" (GPAs), and you have to explain to him how to create the above graph by hand.  Write the list of steps that he should follow in creating the graph by hand:
 

 
 
 
 

 
 
 
 

 

Table A

Number of days each week that  students drink 
alcohol		 Lowerclasspeople Upperclasspeople Total
None 2,000 1,000 3,000
1-2 2,000 1,000 3,000
3-4 1,500 1,000 2,500
5-6 1,500 500 2,000
7 1,000 500 1,500
Total 8,000 4,000 12,000
 
 

What type of data is "class" (lowerclasspeople, upperclasspeople)?

What type of data is "number of days each week that students drink alcohol"?

Using the table as a source of information, write one sentence that summarizes the difference between lowerclasspeople and upperclasspeople with respect to not drinking alcohol on any day of the week.