{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

AP+Statistics+Chapter+3+SEction+2

# AP+Statistics+Chapter+3+SEction+2 - AP Statistics Chapter 3...

This preview shows pages 1–8. Sign up to view the full content.

AP Statistics Chapter 3 Section 2

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

View Full Document
Vocab x y One of the variables considered in the study One of the variables considered in the study n Represents the number of individuals involved in the study
Vocab i x Represents the data collected for each individual on the variable x i y Represents the data collected for each individual on the variable y

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

View Full Document
Vocab x y x s The average of the data collected on variable x The average of the data collected on variable y y s The standard deviation of the data collected on the variable x The standard deviation of the data collected on the variable y
r - - - = y i x i s y y s x x n r 1 1 Summation Standardizing the variable x Standardizing the variable y Correlation Coefficient

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

View Full Document
r Correlation Coefficient (r) A numerical description of the strength of the linear relationship between two quantitative variables.
Facts about r 1. +r: positive association, -r: negative association 2. -1< r < 1

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.

{[ snackBarMessage ]}

### Page1 / 11

AP+Statistics+Chapter+3+SEction+2 - AP Statistics Chapter 3...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online