This preview shows page 1. Sign up to view the full content.
Unformatted text preview: lets us compare the mean to a hypothesized mean, or determine what proportion of a particular population will be above or below a certain threshold. Examples of Descriptive statistics: what's the average daily rainfall Seattle in November? How many sales did we make in each of our two target markets for each quarter this year? What is the variation in the amount of folic acid that women take in daily during their childbearing years? Examples of questions answered by inferential statistics are: Is the average daily rainfall in November greater in Seattle, or Vancouver? Which of these 2 ad campaigns drives more sales? Given what we know about the relationship between folic acid intake during pregancy and birth defects, how many cases of spina bifida would I expect per 1000 live births if we could increase women's folic acid intake by 10%?...
View
Full
Document
This note was uploaded on 02/24/2012 for the course STAT STAT taught by Professor Unknown during the Spring '10 term at DeVry Phoenix.
 Spring '10
 unknown
 Statistics, Inferential Statistics

Click to edit the document details