Answer is: strata (<span>stratified sampling).
</span>Stratified sampling<span> is a method </span>when statistics use sample<span> from a </span><span>population.
</span>The strata must have two <span>characteristics</span><span>:
</span>1. mutually exclusive - all elements in the population must be appointed to only one stratum.<span>
2. </span>collectively exhaustive-no population element can be excluded from stratum.
Those who stress that fluctuations in a person’s mood may likely
be an indication of seasonal affective disorder are highlighting the importance
of <span>biological
rhythms. </span><span>Biological
rhythms control much of the normal functions of the body, including
performance, behavior, sleep and endocrine rhythms.</span>
Answer:
Explanation:
principal no tiene sentido, así que te daré esto
Cráneo.
Mandíbula.
Clavical.
Esternón.
Húmero.
Caja torácica.
vértebras.
pelvis.
The religion and culture and climate
Hedrogen is a pure substance of elements