Understanding Basic Statistics Chapters Covered in Term 1 1.Getting Started 2.Organizing Data 3.Averages and Variation 4.Correlation and Regression 5.Elementary Probability Theory 6.The Binomial Probability Distribution and Related Topics 7.Normal Curves and Sampling Distribution

Chapter 1: Getting Started 1.1 – What is Statistics? 1.2 – Random Samples 1.3 – Introduction to Experimental Design

Focus Problem “Where Have All the Fireflies Gone?” Read page 3-4 in text book (5 minutes) After this Chapter we will be able to… – Identify experiment vs observation – Identify control and treatment group – Identify variable in study – Identify level of measurement

1.1 – What is Statistics? Vocabulary Statistics: Individuals: Variables: – Quantitative: – Qualitative: Population Data: Sample Data:

Guided Exercise #1 With table partners, turn to page 6 – Cover answers – Discuss answers Check – Whole group clarification

Levels of Measurement Indicate type of arithmetic that is appropriate 1.Nomial: 2.Ordinal: 3.Interval: 4.Ratio:

Guided Exercise #2 With table partners, turn to pages 8-9 – Cover answers – Discuss answers Check – Whole group clarification

Statistical Methods of Obtaining Information Descriptive Statistics: Inferential Statistics:

Self-Test Link understanding_basic/3e/students/statistics/tu torials.html understanding_basic/3e/students/statistics/tu torials.html Part of this address is found on Page 2 in your book (lower left corner) – Then follow links to tutorials

Checkpoint  Identify variables in a statistical study  Distinguish between quantitative and qualitative variables  Identify populations and samples  Determine the level of measurement  Compare descriptive and inferential statistics

Homework Read Pages 3-9 – Take notes on what we have not covered Do Problems – Page (1-9) Not multiple choice! Check odds in back of book