1. The Normal Distribution
12.4 Notes
The Normal Distribution

2. Normal Distribution

3. Normal Distribution Bell shaped curve, symmetric
Mean, median, mode are all equal located at the center.
Data items cluster around the mean
Used to make predictions about an entire population

4. Standard Deviations

5. Finding Scores at Specified S.D.

6. Computing z-scores
A z-score describes how many standard deviations a data item in a normal distribution lies above or below the mean. The z-score can be obtained using

7. Sketch a Distribution
Normal Distribution of Weights of Newborn Infants

8. Using and Interpreting z-scores

9. Understanding z-scores