Lecture03

# Lecture03 - STAT 350 L ECTURE 3 H OMEWORK 1: D UE F RIDAY ,...

This preview shows pages 1–11. Sign up to view the full content.

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

View Full Document

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

View Full Document

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

View Full Document

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

View Full Document

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: STAT 350 L ECTURE 3 H OMEWORK 1: D UE F RIDAY , J AN 21 Section 1.3(pg 31): 19, 21, 23, 24 Section 1.4 (pg 41-42): 31, 33, 36, 38, 40 Please do the following Name, Class Time, and Homework # Box your answers Staple your homework C ONTINUOUS D ISTRIBUTION : D ENSITY F UNCTION A density function f(x) for a continuous distribution has the following properties: E XPONENTIAL D ISTRIBUTION 1.4 N ORMAL DISTRIBUTION Historical Notes: 1720: the normal curve was discovered by Abraham de Moivre The Doctrine of Chances, 2 nd edition 1870: the normal curve was used as an ideal histogram by Adolph Quetelet Normal curves models many real life phenomena: errors, heights, weights, etc very important for later chapters N ORMAL D ENSITY F UNCTION Symmetric Uni-modal Ж : center М : spread Large М wider Smaller М narrower Area == ? N ORMAL DISTRIBUTION F UNCTION where Ж and М are specific parameters of the function. S TANDARD N ORMAL D ISTRIBUTION When Ж = 0 and М = 1: Gets special “letter”, z or z-score Z Table (available in textbook): looking up proportion of values less than z* E...
View Full Document

## This note was uploaded on 02/06/2012 for the course STAT 350 taught by Professor Staff during the Spring '08 term at Purdue.

### Page1 / 26

Lecture03 - STAT 350 L ECTURE 3 H OMEWORK 1: D UE F RIDAY ,...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online