Bootstrapping

STAT 20: Introduction to Probability and Statistics

Warmup
10:00

Which of the bar charts below represents a valid bootstrap sample drawn from the original sample?

Plot C is the option with a correct bootstrap sample.

  • Plot A introduces a value of 16, which did not exist in the original sample.

  • Plot B has a sample size that is too small. The sample must be of size 10.

  • Plot C is of the correct size and contains onlu values which appear in the original sample.

Worksheet: Bootstrapping

20:00

Break

05:00

Mid-semester survey: tell us how you’re doing so far


survey.wetchler.com or:

  • This survey is an assignment that counts as a worksheet (it’s graded like one, not as a lab bonus)
  • Then move on to Lab 9: People’s Park II for the rest of class.
25:00