Explain in your own words how to determine the Minimum Number of Individuals (MNI) from a collection of bones.

NO PLAGIARISM PLEASE
Explain in your own words how to determine the Minimum Number of Individuals (MNI) from a collection of bones.
Explain how a sample of assorted skeletal remains from a large number of people from an ancient population, as was found at Sima de los Huesos, can provide more information about that ancient population than the remains of just one person, even if the remains of the one person are more complete.