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Under the normal curve, if a given raw score falls at the 84th percentile, then its equivalent z score must be equal to
Null Hypothesis
Restated, it is the hypothesis in statistical testing that assumes no significant difference or relationship exists between specified populations, parameters, or data sets.
Statistically Insignificant
A term indicating that the observed difference or relationship in the data could have occurred by chance and does not signify a real effect.
Research Hypotheses
Specified, testable predictions about what will happen under certain conditions, often proposed as an explanation for an observable phenomenon.
Estimate Of Error
An approximation of the amount by which an observed or calculated value may differ from the true value.
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