Examlex
The mass change for the reaction shown below is ________ amu.The atomic masses are 3He (3.0160),4He (4.0026),1H (1.0078).
2 He →
He + 2
H
Standard Deviation
A measure of the amount of variation or dispersion of a set of values, describing how much individual data points differ from the mean.
Sample Mean
The average of a set of numerical values drawn from a sample of a population, used as an estimate of the population mean.
Margin Of Error
The amount of error that can be tolerated in the results of a poll or survey, indicating the potential deviation from the true population parameter.
Confidence Interval
A spectrum of numbers, extracted from sample observations, presumed to hold the value of a not yet identified population characteristic.
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