1. Pick up a warm up from the front!
April 18th, 2013

2. Math III Warm Up /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.

3. Go over Homework

4. 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

5. Class Assignment: Complete the back of the Homework Assignment 14-1 Practice