Examlex
Find the mean and median for each of the two samples, then compare the two sets of results.
-The Body Mass Index (BMI) is measured for a random sample of men from two different colleges. Interpret the results by determining whether there is a difference between the two data sets that is not apparent from a comparison of the measures of center. If there is, what is it?
Laboratory Experiments
Controlled tests carried out in a lab environment to study the effects of variables in a scientific study.
Species
A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
Habitat
The natural environment in which a particular species of plant or animal lives, characterized by both physical and biological features.
Lithosphere
The rigid outer layer of the Earth, composed of the crust and the upper part of the mantle.
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