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Determining When to Use a z-Distribution or a t-Distribution 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 skills
t-Test | Definition, Formula Calculation - Lesson | Study. com 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 root of
拉拉中的T和H和P是什么意思_百度知道 H H是指“不分”,即不分“T、P”,严格的说H才是真正的女同性恋者,因为从外表和打扮是看不出谁是T谁是P的,这些只有在双方交往互动中才能有大致的了解。 P是指女同性恋者中性格或能力略微弱势,倾向于被照顾的一方。