This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: 1. It’s completely described by giving the mean and standard deviation. 2. The mean determines the center of the distribution. 3. The standard deviation determines the location of the “inflection points” 68 – 95 – 99.7 standard score – the number of standard deviations above or below the mean at which an observation is located (also known as zscore.) c th percentile – a value such that c percent of the observations lies below it and the rest lie above it observation = mean + (standard score)(standard deviation) deviation standard meann observatio score standard = s xx z = (z)(s) x x + =...
View
Full
Document
This note was uploaded on 02/10/2011 for the course STAT 110 taught by Professor Johnson during the Spring '07 term at South Carolina.
 Spring '07
 JOHNSON
 Statistics

Click to edit the document details