Home > Preview
The flashcards below were created by user
JVu
on FreezingBlue Flashcards.

Descriptive statistics
 used for describing the pic of your data
 determining whether data are normally distributed
 describing the relationship with clinical normality

inferential statistics
 used for making inferences about a characteristic or a value based on a sample
 used to draw conclusions about a population by using a sample
 hypothesis testing:
 used to test an assumption or ascertain a "truth" about a population using a sample and some test statistics

Large sample sizes are ____ measurements or patients
Small sample sizes are ___

parameters
numerical descriptive measures of a population
p for p

statistics
numerical descriptive measures of a sample
s for s
 cannot calculate parameters, but can calc statistics to estimate population parameters

POINT estimation
 a single value (p or mean) to estimate the paramter of interest
 "p" proportion of a population with a condition, dz, or characteristic based on the proportion in the sample
 mean value: x bar of a clinical test, biological measure, or characteristic based on the mean value in the sample

INTERVAL estimation
compute 2 numbers from sample data and use interval formed by two #s as an interval estimate of the parameter of interest

the ______ proportion "p" is an estimate of the _____ proportion "pi"
 sample proportion
 population proportion

