Examlex
Of the substances shown in the figure, only N2O3 has an empirical formula that is the same as its molecular formula.
Sample Sizes
The number of observations or units chosen from a larger population for the purpose of statistical analysis.
Weighted Average
An average resulting from the multiplication of each component by a factor reflecting its importance.
Z-score
A numerical metric indicating how a particular value compares to the average of a dataset, expressed by the number of standard deviations it lies from the mean.
P-value
The likelihood of encountering experimental results that are at least as significant as the actually observed results, given the null hypothesis is assumed to be accurate.
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