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Data Sampling and Distribution - Coggle Diagram
Data Sampling and Distribution
Sampling distribution
Standard error
Central limit theorem
Distribution
Normal distribution
poisson distribution
Exponential distribution
long tail distribution
t-distribuiton
binomial distribution
mean: n*p
variance: n*p(1-p)
WIth large n, p is not too close to 0 or 1, it can be approximated by the normal distribution
Bootstrap :star:
Sampling methods
Size
Mean
Ramdom sampling
simple random sample
Stratified sampling
strata
with replacement
without replacement
Data quality
representativeness
Resampling
Confidence interval
Bias
Self-selection bias
Selection bias
Regression to the mean
Population