STA 210 UKY Exam 1 Questions and Correct Answers the Latest Update
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Course
STA 210
Institution
STA 210
inference
the process of reasoning from the know to the unknown
human inference
inferences we make from statistical constructs like charts, graphs, and numerical
summaries
US population
just over 300 million
about _____ million Americans die each year
2.4
roughly 1 in 4 who die in Ame...
✓ -collecting data under controlled conditions with the goal of establishing something
close to cause and effect
✓ -emphasis on control separates this way of collecting data from a survey
✓ -statistical science gets involved in a couple of ways, but notably through hypothesis
testing.
confounding
✓ -occurs when two variables are associated in such a way that their effects on a
response variable cannot be distinguished from each other
✓ -confusion caused by a third party variable, distorting the association being studied
between two other variables
✓ -compromises case for cause and effect. can't tell what causes what
response variable
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