Statistics: Chapter 1
by Jane_l Yang
1. It can be used to tell a story, such as, does Aspirin cause heart attacks?
2. Opens doors to knowledge
3. It makes logical sense of numbers by organizing them in an easy-to-read way
4. May suprise you by being fun
5. What is Statistics?
5.1. Principles & Procedures for collecting & studying data to make decisions
6. Discovery of Knowledge
6.1. Ask the Right ?'s
6.2. Collect Useful Data
6.3. Summarize and Analyze Data
6.4. Make Decisions and Generalizations
6.5. Turn Data and Decisions into Knowledge
7. Morals
7.1. Simple Summaries
7.1.1. Median
7.1.2. Lower Quartile
7.1.3. Upper Quartile
7.2. Representative Sample
7.2.1. Population
7.2.2. Random Sample
7.2.3. Sample Survey
7.2.4. Margin of Error
7.3. Unrepresentative Sample
7.3.1. Non Response Bias
7.3.2. Self-Selected (Volunteer) Sample
7.4. Observational Study
7.4.1. Variable
7.4.2. Confounding Variable
7.5. Randomized Experiments
7.5.1. Treatment
7.5.2. Random Assignment
7.5.3. Placebo
7.5.4. Statistical Significance
7.6. Rate and Risk
7.6.1. Base (Baseline) Risk