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Results tagged with hypothesis-testing
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user 325291
Hypothesis testing assesses whether data are inconsistent with a given hypothesis (usually a null hypothesis of no effect).
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How to test for a positive or negative slope coefficient in regression models?
Consider the simple linear model:
$\vec Y=\beta_0+\beta_1 \vec X +\vec \varepsilon$
When I have read up on discussions about the different statistical tests that can be run on the model's slope coeffi …
- 71
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How to implement a multiple comparisons unpaired t-test
Suppose I have the following data set break down:
Group A: subjects $A_1$, $A_2$, $A_3$, and $A_4$
Condition 1, Condition 2, Condition 3
All four subjects have a corresponding value for each condition …
- 71
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Understanding the relationship between a 'sampling distribution of a statistic' and a 'popul...
I would like to confirm that I am understanding the relationship between a sampling distribution of a statistic (an example of a 'statistic' would be a sample mean $\bar{x}$) and a population distribu …
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