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 z-score.) 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 mean-n observatio score standard = s x-x 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