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![Statistical hypothesis testing - Wikipedia, the free encyclopedia]()
en.wikipedia.orgA statistical hypothesis test is a method of statistical inference using data from a scientific study. In statistics, a result is called statistically significant if it has been predicted as unlikely to have occurred by chance alone, according to a pre-de瀏覽：1287 -
![T Value Significance | eHow - eHow | How to - Discover the expert in you!]()
www.ehow.comA t-test is a test of statistical significance. T-tests answer the question of whether a statistical relationship -- as one increases, so does the other or vice versa ...瀏覽：1151
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日期：2024-05-10
The next table (also to the right) shows the measures we end up with, along with the relevant summary statistics. We will stipulate that the measures of task performance in columns A and B derive from an equal-interval scale; the measures of D are therefo...
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日期：2024-05-10
The t-test is a simple test of the separation of two sets of data, and is used to determine significance of experimental results. Here's more details. ... t-test Explanations > Social Research > Analysis > t-test Description | Example | Discussion | See a...
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日期：2024-05-10
then the research hypothesis is directional and permits a one-tail test of significance. A non-directional research hypothesis would require a two-tail test, as it is the equivalent of saying "I'm expecting a difference in one direction or the other, but ...
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日期：2024-05-08
A simple calculator that generates a P Value from a T score. ... If you need to
derive a T Score from raw data, then you can find t test ... Significance Level: ......
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日期：2024-05-09
T distribution critical values table online. ... This disrtibution table shows the
upper critical values of t test. english Calculators and Converters. Accountancy....
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日期：2024-05-11
This calculator will tell you the one-tailed and two-tailed probability values of a t-
test, given the t-value and the degrees of freedom....
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日期：2024-05-08
Performs unpaired t test, Weldh's t test (doesn't assume equal variances) and
paired t test. Calculates exact P value and 95% confidence interval. Clear results
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