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Statistical Tests
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Statistical Tests
Parametric tests are more powerful; data must...
- Have an interval or ratio level of measurement
- Be drawn from population with normal distribution
- Both samples have equal variances
Statistical tests produce a calculated value. To determine significance this is compared to a critical value found in a statistical table. Need to know...
- Significance level (usually p=0.05)
- One-or two-tailed test (directional and non-directional hypotheses respectively)
- Value of N or df
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- Mind Map on Statistical Tests, created by Katie H on 14/03/2017.
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- Katie H
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