Learn how to determine when to use a z-Distribution or a t-Distribution, and see examples that walk through sample problems step-by-step for you to improve your statistics knowledge and …

Understand more about T lymphocytes and their various types. Learn about apoptosis, how T cells work, and discuss the production and maturation of...

Learn how to calculate t-scores. Study the t-score formula, discover examples of how to use the t-score equation, and identify applications of t-scores.

Understand what half-life is and its applications in chemistry and physics. Explore the equation for half-life, various half-life examples, and worked-out problems.

Learn to define what a t-test is. Discover the two-sample t-test and the unpaired t-test. Learn when to use a t-chart and how to find the t-value. See examples.

女同即女同性恋，一般分为T、P和H三种角色。 P是指比较女性化的女性同性恋者，一般喜欢穿女装、留长发等 T是比较男性化的女性同性恋者，一般喜欢留短发，穿着上也一般以休闲装为主 …

What are inferential statistics? Learn about and compare descriptive vs. inferential statistics. See descriptive and inferential statistics examples in everyday life.

The t-score formula for an independent t-test is: t equals the mean of population 1 minus the mean of population 2 divided by the product of the pooled standard deviation and the square …

The difference between a t -test and a z -test hinges on the differences in their respective distributions. As mentioned, a z-test uses the Standard Normal Distribution, which is defined …

O、P、T、 H 各代表什么意思这些是同性恋中区分角色的用语，不过都是中国的同性恋用语，国外是没有这些区分的。 其中PTH是女同性恋当中的角色，而0是男同性恋当中的角色（是数 …