Asked by
Chantalle Rivas
on Dec 13, 2024
Verified
We can use the Friedman test to determine whether a difference exists between two populations. However, if we want to determine whether one population location is larger than another, we must use the sign test.
Friedman Test
A statistical test that doesn't rely on parameter assumptions to identify variations in treatments over several trials.
Sign Test
A nonparametric test used to determine if there is a median difference between paired observations.
Population Location
A statistical term that refers to identifying the central position of a population distribution.
- Gain an understanding of how parametric and nonparametric statistical tests differ, especially in terms of the assumptions they make about underlying data.
- Acquire knowledge of the parameters for electing pertinent statistical evaluations based on the data type and its distribution.
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Learning Objectives
- Gain an understanding of how parametric and nonparametric statistical tests differ, especially in terms of the assumptions they make about underlying data.
- Acquire knowledge of the parameters for electing pertinent statistical evaluations based on the data type and its distribution.
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