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Making Sense of the Two-Sample T-Test: Supercharge Your Hypotheses Tests

The two-sample t-test is one of the most commonly used hypothesis tests in Six Sigma work. It is applied to compare the average difference between two groups. You use it to determine if the difference ...
Investopedia

Two-Tailed Test: Definition, Examples, and Importance in Statistics

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
JSTOR Daily

Hypothesis testing in nonparametric models of production using multiple sample splits

This is a preview. Log in through your library . Abstract Several tests of model structure developed by Kneip et al. (J Bus Econ Stat 34:435–456, 2016) and Daraio et al. (Econ J 21:170–191, 2018) rely ...
UMass Lowell

Catalog : MATH.4860 Probability and Math Statistics II (Formerly 92.486)

Point estimation, confidence intervals, hypothesis testing. Two-sample t-test. Correlation and linear regression. The bivariate normal distribution. Analysis of variance for one-and two-way designs. F ...
JSTOR Daily

Sample Size Determination for Establishing Equivalence/Noninferiority via Ratio of Two Proportions in Matched-Pair Design

In this article, we propose approximate sample size formulas for establishing equivalence or noninferiority of two treatments in match-pairs design. Using the ratio of two proportions as the ...
Investopedia

What Assumptions Are Made When Conducting a T-Test?

J.B. Maverick is an active trader, commodity futures broker, and stock market analyst 17+ years of experience, in addition to 10+ years of experience as a finance writer and book editor. Ryan Eichler ...