Examlex
According to the VSEPR model, is the molecule PF5 polar or nonpolar?
Range
The difference between the highest and lowest values in a set of numbers.
Normal Model
A probability distribution that is symmetrical about its average, indicating that occurrences close to the mean are more common than those further away.
Central 68%
Central 68% is a statistical term that refers to the percentage of data within one standard deviation of the mean in a normal distribution, implying that about 68% of the data fall within this range.
Standard Deviation
A measure of the amount of variation or dispersion in a set of values, indicating how much the values differ from the mean.
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