Teacher/User Name: DEMO Name:__________________________ Practice Problems Period: ________ Date: ____________

### Solve:

1) Students were asked,"How many hours per week do you use the computer?"
Their answers were compiled into the table below.
Create a cumlative frequency graph displaying the information.
 Hours at the Computer Number of Students 5 6 7 8 9 10 11 12 13 0 30 10 20 5 5 0 0 0

2) The number of sales of a dozen eggs at the Goody Good Food Shop for each year is given in the table below. Create a relative cumlative frequency graph displaying the information.
 Year Number Sold 1987 1988 1989 1990 1991 1992 1993 1994 1995 0 300 100 200 50 50 0 0 0
3) The number of sales of a dozen eggs at the Goody Good Food Shop for each year is given in the table below. Create a cumlative frequency graph displaying the information.
 Year Number Sold 1989 1990 1991 1992 1993 1994 1995 1996 1997 0 0 50 50 100 200 100 100 50

4) The number of sales of a loaf of bread at the Staples For You Shop for each year is given in the table below. Create a cumlative frequency graph displaying the information.
 Year Number Sold 1988 1989 1990 1991 1992 1993 1994 1995 1996 0 300 100 0 0 0 0 0 0