Introductory Remarks PPT

# Introductory Remarks PPT - Different Meanings (cont’d)...

This preview shows pages 1–7. Sign up to view the full content.

Statistics Introductory Remarks

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Importance There are people out there making decisions about your future using statistics and you might as well know something about them. Statistics are a professional necessity Need them to be an informed citizen
Different Meanings of Statistics Numerical data about a sample or the population from surveys Opinion poll data CPI, GDP, Health, Employment How do you know if they are any good? » Sampling issues » Presentation issues

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Different Meanings (cont’) Procedures used to analyze data Results of experiments » ‘t’ tests, chi-square, etc. How to interpret the data coming from these procedures

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Different Meanings (cont’d) • A discipline or field of study that uses mathematical procedures to describe data and make decisions regarding it. Examples of Statistics – Survey data • The unemployment rate • The CPI • Health care statistics • Opinion polls – Statistical tests of data from experiments and quasi-experiments • Fairness in pardons • Usefulness of breast cancer screenings or prostate cancer screenings Examples (cont’d) – Associations • Is there a connection between rising regulations and unemployment? • Does raising taxes kill jobs? As taxes go up…do jobs go down?...
View Full Document

## This note was uploaded on 03/29/2012 for the course BIO 359K taught by Professor Mcclelland during the Spring '08 term at University of Texas at Austin.

### Page1 / 7

Introductory Remarks PPT - Different Meanings (cont’d)...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online