what does it mean to say \correlation does not imply causation\? list a pair of variables that have…

what does it mean to say \correlation does not imply causation\? list a pair of variables that have correlation but no cause - and - effect relationship.\nwhat does it mean to say \correlation does not imply causation\?\na. the fact that two variables are strongly correlated implies a cause - and - effect relationship between the variables.\nb. the fact that two variables are strongly correlated does not in itself imply a cause - and - effect relationship between the variables.\nc. two variables that have a cause - and - effect relationship are never correlated.\nd. two variables can only be strongly correlated if there existed a cause - and - effect relationship between the variables.\nwhich of the following pairs of variables have correlation, but no cause - and - effect relationship?\na. the number of students per teacher at a school and the number of students at a school\nb. number of school buses at a school and the number of students at a school\nc. number of school buses at a school and the number of teachers at a school\nd. the number of students per teacher at a school and the number of teachers at a school
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Brief Explanations:
"Correlation does not imply causation" means that just because two variables are related (correlated) does not mean one causes the other. For the pairs of variables, we need to find a pair where there is a relationship but no direct cause - and - effect. The number of school buses and number of teachers at a school may be related (more students may mean more buses and more teachers) but one does not directly cause the other.
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What does it mean to say "correlation does not imply causation"? B. The fact that two variables are strongly correlated does not in itself imply a cause - and - effect relationship between the variables.
Which of the following pairs of variables have correlation, but no cause - and - effect relationship? C. Number of school buses at a school and the number of teachers at a school