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stats
summer assignment
Question | Answer |
---|---|
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 |