The strong nuclear interaction has a range of approximately 0.70 × 10−15 m.It is thought that an elementary particle is exchanged between the protons and neutrons,leading to an attractive force.Utilize the uncertainty principle 
To estimate the mass of the elementary particle if it moves at nearly the speed of light.
Definitions:
Mean Income
The average income calculated by dividing the total income of a group by the number of individuals or households in that group.
Statistic
A numerical measure that describes some characteristic of a sample, such as its mean or variance, used for making inferences about a population.
Interquartile Range
A measure of statistical variability, representing the difference between the 75th (upper quartile) and 25th (lower quartile) percentiles.
Variance
A gauge for the extent of dispersion in a collection of data, derived by the average of squared differences relative to the mean.
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