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stats

summer assignment

QuestionAnswer
Descriptive stats describes characteristics of data
Inferential stats drawing conclusion from data
Population whole/entire group of interest
Sample representative portion from population
Parameter a numerical characteristic of a population
Census when you gather info from the entire population
Quantitative average means something. Ex:Weight,Height
Categorical average means nothing. Ex:Zipcode, Jersey #
Discrete anything that is counted by whole numbers and decimals dont make sense. Ex:population,days,age
Continuous data that uses any # that makes sense
FD how often it occurs. not a percentage
CFD adds up with previous category. looks like a staircase
RFD how often something happens divided by all outcomes. its a percentage.
CRFD stair percentage
Created by: Ruben123