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vlarocca17
02.01.2020 •
Mathematics
which of the following characteristics of experiments are not also
characteristics of surveys?
check all that apply.
d
a. two or more treatments are compared in the study (possibly
including "no treatment").
o
b. data are gathered during the course of the study.
c. replication with other groups of subjects can improve the
reliability of the study.
o
d. one or more treatment groups and a control group are included in
the study
o
e. the results of the study are analyzed statistically.
Solved
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Ответ:
To figure out the rise and run of two coordinates, we do y2-y1 and x2-x1
Using this information, we can see that the rise of these two points is 0-2= -2, and the run is -1--5= 4
The slope of two points is the rise over the run, so the slope is - 2/4, which can be simplified to - 1/2