Examlex
What evidence is there that optimism or pessimism affects the response to stress?
Sample Proportion
The fraction or percentage of the sample that represents a particular trait or characteristic of interest.
Null Hypothesis
A hypothesis that assumes no significant difference or effect exists between specified populations or variables.
Population Proportion
The fraction or percentage of a population that shares a particular characteristic or attribute.
Sample Proportion
The proportion or percentage of the sample that has a particular characteristic, often used to estimate the true population proportion.
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