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AP Stat Intro
GGIS
2017
AP Statistics
Why STEM?
Why STEM?
The Map of Math
Why Stat?
Main Points
- You must have a graphing calculator or you will fail.
- Try to have access to Excel
- Weekly quizzes are based on HW
- Semester exams are based on the AP test
- Complete all HW in one day
Syllabus
Definition
(noun) a branch of mathematics dealing with the collection, analysis, interpretation, and presentation of masses of numerical data
Definition
Essential Skills
- Extract information from tables, charts, and graphs
- Follow numerical arguments
- Understand the basics of how data should be gathered, summarized, and analyzed to draw statistical conclusions
Essential Skills
Variability
(noun) ability or aptitude to change
Consider the graphs on p. 4:
Who has more variation in height, basketball players or gymnasts?
Consider the graph on p. 5:
Which measurements would indicate somethinig unusual:
15.5 ppm, 17.4 ppm or 22.0 ppm
The Process
The Process
- Understanding the nature of the problem
- Deciding what to measure and how to measure it
- Data collection
- Data summarization
- Formal data analysis
- Interpretation
Who?
Who?
Population - the entire collection of individuals we are interested in.
Sample - who we actually asked
Branches
Descriptive - methods of organizing and summarizing data
Inferential - generalizing from the sample to the population
Branches
Types of Data
Data
Variable - A fact that may change
Data - factual information (such as measurements or statistics) used as a basis for reasoning, discussion, or calculation
Univariate
Univariate data - a single characteristic
Categorical/Qualitative - reponses are categories
Numerical/quantitative - responses are numbers
Numerical
Dicrete - countable
Continuous - measurable