Review: Percentile and standard error methods

Inference for Numerical Data in R

Mine Cetinkaya-Rundel

Associate Professor of the Practice, Duke University

Bootstrap distribution

chp1-vid2-boot-dist-withaxes

Inference for Numerical Data in R

Percentile method

chp1-vid2-perc-method

Inference for Numerical Data in R

Percentile method

chp1-vid2-perc-method

Inference for Numerical Data in R

Standard error method

sample statistic $\pm$ $t_{df = n - 1}^*$ $\times$ $SE_{boot}$

  • $df$ for $t^*$ is $n - 1$, where $n$ is the sample size
  • $SE_{boot}$ is the standard deviation of the bootstrap distribution distribution
Inference for Numerical Data in R

Let's practice!

Inference for Numerical Data in R

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