Examlex
Explain what occurs when excited molecules and ions return to their electronic ground state from their excited state.
Independent Samples T-Test
A statistical test used to compare the means from two different groups of samples to see if there is a significant difference between them.
Statistically Significant Difference
A measurement indicating that an observed effect or difference in a study is unlikely to have occurred by chance.
Two Independent Groups
In statistical analysis, two groups of subjects that are randomly assigned and do not influence each other.
Paired Samples T-Test
A statistical test used to compare the means of two related groups to ascertain if there is a significant difference between them.
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