Descriptive Statistics

Class Time

Names

Collect the Data Record the number of pairs of shoes you own.

1. Randomly survey 30 classmates about the number of pairs of shoes they own. Record their values.

   _____	_____	_____	_____	_____
   _____	_____	_____	_____	_____
   _____	_____	_____	_____	_____
   _____	_____	_____	_____	_____
   _____	_____	_____	_____	_____
   _____	_____	_____	_____	_____

   Table 2.39 Survey Results
2. Construct a histogram. Make five to six intervals. Sketch the graph using a ruler and pencil and scale the axes.

   

   Figure 2.32
3. Calculate the following values:
   1. $\overline{x}$ = _____
   2. s = _____
4. Are the data discrete or continuous? How do you know?
5. In complete sentences, describe the shape of the histogram.
6. Are there any potential outliers? List the value(s) that could be outliers. Use a formula to check the end values to determine if they are potential outliers.