What Is Meant by a Representative Sample?)

question 13

Essay

What is meant by a representative sample?)

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Definitions:

Wilcoxon Signed Rank Sum Test

A statistical test that doesn't rely on parameters to compare two matched groups, aiming to determine if there is a difference in their population mean ranks.

Normal Approximation

A technique in statistics where a binomial distribution is approximated using a normal distribution, applicable under certain conditions, such as a large sample size.

F-distribution

A probability distribution used in analysis of variance (ANOVA), especially relevant when comparing variances across different samples.

Kruskal-Wallis Test

A non-parametric statistical test that compares three or more independent samples to determine if at least one sample distribution stochastically dominates one other sample.