Examlex
A z score allows assessment of the percentile of a raw score, but an equivalent assessment of a sample mean cannot be made.
Environmental Factors
External elements including climate, ecosystem, and all living and non-living things that affect an individual or population.
Factor Analysis
A statistical method used to describe variability among observed, correlated variables in terms of a potentially lower number of unobserved variables called factors.
Statistical Procedure
A method of collecting, analyzing, interpreting, and presenting data in a meaningful way, using mathematical theories and formulas.
Independent Variable
In a scientific experiment, the variable that the researcher modifies or controls to investigate its influence on the dependent variable.
Q16: If one fails to reject the null
Q23: In Cohen's d, the closer together the
Q46: The _ is a measure of variability
Q62: (Figure: Years of Education) What seems to
Q86: (Figure: Frequency Polygon) Based on the frequency
Q87: The y-axis of a bar graph indicates
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Q133: Any raw score can be converted into
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Q142: When one rejects the null hypothesis, it