Major Points. Formal Tests of Mean Differences Review of Concepts: Means, Standard Deviations, Standard Errors, Type I errors New Concepts: One and Two Tailed Tests Significance of Differences . Important Concepts. Concepts critical to hypothesis testing Decision Type I error
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
D and sD = mean and standard deviation of differences.
df = 100 - 1 = 9 - 1 = 8
Cannot compute pairwise differences, since we cannot compare two random data points
We want to test differences between the two sample means (not between a sample and population)