diff --git a/intro-experimental-design-hypothesis-testing/IntroStatsExpDesignHT_011723_day1.pptx b/intro-experimental-design-hypothesis-testing/IntroStatsExpDesignHT_011723_day1.pptx index 63e3f6d..a3bad02 100644 Binary files a/intro-experimental-design-hypothesis-testing/IntroStatsExpDesignHT_011723_day1.pptx and b/intro-experimental-design-hypothesis-testing/IntroStatsExpDesignHT_011723_day1.pptx differ