Examlex
____________________ explains why we cannot get more energy out of physical or chemical change than we put in.
Inferential Statistics
A branch of statistics that uses a random sample of data taken from a population to describe and make inferences about that population.
Descriptive Statistics
Statistical methods that summarize and describe the features of a data set, including measures of central tendency and variability.
Hypotheses
Proposed explanations made on the basis of limited evidence as a starting point for further investigation, often tested statistically.
Confounding Variables
External variables that can affect the outcome of an experiment, making it difficult to establish a clear cause-and-effect relationship.
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