Examlex
The more precise the definition and measurement of performance,the more difficult it becomes for a manager to effectively and fairly appraise performance.
Null Hypothesis
A hypothesis stating there is no significant difference or effect, serving as the default assumption in hypothesis testing.
T Test
A statistical test used to compare the means of two groups to see if there is a significant difference between them, often used when dealing with small sample sizes.
Research Hypothesis
A speculative statement about the relationship between two or more variables that is tested through research.
Degrees Of Freedom
The number of independent values or quantities which can be assigned to a statistical distribution, influencing the shape of the distribution.
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