I need the the words to these definitions please.
Divides the population into subgroups that have characteristics that might be important to the study.
There is a group for each piece of data
groups that are non-overlapping (two words)
variable that is being manipulated
The colletion all of the objects or subjects to be studied
levels of measurement that can be ordered or ranked, but a precise difference in the levels cannot be determined.
samples an already existing group (two words)
statistics that consists of generalizing from samples to populations, preformning hypothesis testing, determining relationships among variables, and making predictions.
a small group or subset of the population
used to see that all the possible elements of the population have an equal opportunity of being selected fro the sample
a variable that has values that are obtained by measuring.
If you could give me the words to the definition i have supplied you that would be great.
thx
jsjgamer
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