Design an Experiment and Write it up in your groups.
Introduction and Method--presented to the class and turned in.
Ch. 2 S3 “Lies……& Statistics”
1.?What is a frequency distribution chart? How is it ?useful? How can percentage comparisons be useful?
2.?What is a frequency polygon or frequency curve?
3.?What is a normal or bell shaped curve?
4.?In looking at central tendency, what are the mode, ?median, and mean? Find the mode, median and mean for the ?data from the following data: 12, 23, 25, 18, 17, 16, 15, 20, 21, ?20, 13, 19, 22, 24, 11.
5.?What is the range? How do you figure out the range?
1.?What is the standard deviation? What does it ?mean if the number for the standard deviation is big or ?small?
2.?What is a correlation coefficient?
3.?What is positive and negative correlation?
4.?What is a scatterplot? What are inferential ?statistics?
5.?What makes something statistically significant?
10/1---Present your projects
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