diff --git a/intro-experimental-design/IntroToStatisticsExpDesign_Feb2022.pptx b/intro-experimental-design/IntroToStatisticsExpDesign_Feb2022.pptx index a1b760b..ec33464 100644 Binary files a/intro-experimental-design/IntroToStatisticsExpDesign_Feb2022.pptx and b/intro-experimental-design/IntroToStatisticsExpDesign_Feb2022.pptx differ