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☆☆☆☆☆Short Answer
Auto correlation is the correlation of one signal with itself.
Cross correlation is the correlation of one signal with a different signal.
not all the time, depends on how long been married and how he and wife get along and how often they have sex
A person's genres or upbringing are more important. :)
Male or Female
A treatment is imposed,
ex.)
making the participants take a certain medicine instead of just allowing them to do what they please and see how they heal.
How does brain chemistry affect how we feel and act
Causation
affect the results of the survey.
the treatment that the researcher controls directly.
Students learn more from video games than from classroom activities
The source of math instruction
The amount of math learned
the hawthorne effect
categorial data.
Bald people who wear diapers tend to cry more often than other people
randomness of data
people who subscribed to one particular mobile phone service.
😐
A person believes cell phones cause cancer despite scientific studies finding no correlation between them.
A. We should all eat less of the cereal
B. Eating the cereal lowers your cancer rate
C. We should all eat more of the cereal
D. The cereal might ( or might not) be the cause of a lower cancer rate
