this video portrays what it takes to do well in this class… our motto

This video portrays what it takes to do well in this class…

WELCOME TO AP STATISTICS

Our Motto

What would happen if the fire fighters did not work hard?

What if he doesn’t work hard…?

AP STAT MOUSE

What is misleading here?

What the AP Statistics class covers and how much of each topic is on the test:

I. Exploring Data 20-30%II. Sampling and Experimentation

10-15%III. Anticipating Patterns 20-30%IV. Inference 30-40%

The AP Test now blends the topics so a topic may be covered more than

once on the test!

Expectations: Rich context Formulate and test hypotheses Be willing to discuss what you

are seeing Be willing to be wrong Be precise and communicate

ideas fully Be able to communicate as if

you did not have a calculator at hand

Be able to define all symbols clearly

DATAAP Statistics

Ch. 1 & 2 Notes

EQ: How do we tell what types of variables are being used?

Chapter 1 Tells Us: How to use our book

What we use statistics for in real life

Context, Context, ContextMake sure to always answer

the questions in the context in which they are given!!

Ask the 5 W’s(who, what, why, when, and where)

VocabularyCases- represent what we record

characteristics of.Respondents- people who respond to

surveys.Participants(subjects)-People who we

experiment on.Experimental units-things we experiment

on.

VariablesVariables are characteristics of each

individual we study.Categorical variables are things we put

into

Quantitative variables are things we can

Identifiers are things linked only to one individual.

categories.

measure.

Categorical vs. Quantitative1. The name of the manufacturer

of a TV set2. Social security number3. The major area of study for a

college student4. Your height in inches5. Book barcodes6. Length of your foot

Various studies have attempted to rank cities in terms of how

desirable it is to live and work in each city.

1. Describe five variables that you would measure for each city if you were designing such a study.

2. Give reasons for each of your choices.

Cautions1. Think about the question

we want to answer.

2. Don’t assume variables with units are quantitative variables.

3. Always be skeptical.

HW AssignmentRead the TI-TIPS on page 14

Textbook P. 16-18 # 2, 12, 22, 25, 26

Ch. 2 & 3 Reading Questions due Friday