What is statistical significance?
Statistical significance is a measure that helps determine if the results of a study are likely due to chance or if they reflect a true effect.
How do you determine if a result is statistically significant?
You typically use a p-value, which indicates the probability of observing the results if the null hypothesis is true. A p-value less than 0.05 is often considered statistically significant.
What does a p-value of 0.05 mean?
A p-value of 0.05 suggests that there is a 5% chance that the observed results could occur under the null hypothesis, indicating strong evidence against it.
Can you explain the difference between statistical significance and practical significance?
Statistical significance indicates whether an effect exists, while practical significance assesses whether the effect is meaningful in real-world applications.
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