Measurement error and summary statistics

Measurement error and summary statistics#

Learning objectives#

After working through this topic, you should be able to:

  • explain when mean-zero measurement error preserves the mean and why other summaries, including medians and variances, can change

  • explain why systematic measurement error potentially impacts all statistics

Materials#

Video with English subtitles:

Download the slides.

Video with German subtitles:

(turn subtitles on in the bottom right corner of the video)