Pick up a warm up from the front!

April 18th, 2013

Math III Warm Up 4/18/13

The twenty highest dams have heights of 240, 335, 260, 300, 285, 262, 272, 225, 242, 261, 233, 250, 243, 237, 236, 243, 234, 235, 226, and 261 meters.1. Find an appropriate class interval. 2. Name the class limits.

3. Find the class marks.

4. Construct a frequency distribution table. 5. Draw a histogram of the data.

Go over Homework

Words you need to know for quiz:• Simple random Sample• Stratified random Sample• Cluster Sample• Systematic Sample• Response Variable• Explanatory Variable• Experimental Study• Treatment• Confounding Variable• Observational Study

And: Be able to create a Frequency Distribution and Histogram

Class Assignment: Complete the back of the Homework Assignment

14-1 Practice