Statistics Typically Describe What Has Already Happened and Probability Describes

question 41

True/False

Statistics typically describe what has already happened and probability describes what is likely to happen in the future.

Recognize the nomenclature conventions for naming aromatic compounds including positional isomers.

Utilize knowledge of molecular structures to predict physical properties such as boiling points and melting points.

Interpret basic spectral data (NMR, UV-visible spectra) to identify aromatic compounds.

Understand the influence of substituents on the physical and chemical properties of aromatic compounds.

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Definitions:

Obtained Value

The actual value or result achieved in an experiment or study, typically used in statistical analysis to compare against theoretical values.

Critical Value

The threshold value that the test statistic must exceed in order for the null hypothesis to be rejected in a hypothesis test.

Significance Level

The threshold chosen by the researcher for rejecting the null hypothesis; commonly set at 0.05 or 5%.

Null Hypothesis

A default hypothesis that there is no difference or effect, used as a starting point for statistical testing.