NEEED HELPPPPP! \"An extensive correlation study indicates that a longer life is

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NEEED HELPPPPP!

"An extensive correlation study indicates that a longer life is experienced by people who follow the seven ""golden rules"" of behavior, including moderate drinking, no smoking, regular meals, some exercise, and 8 hours of sleep each night. Can we conclude, therefore, that this type of behavior causes longer life?"

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Question 70 pts

"On the basis of an extensive survey, the California Department of Education reported an r of -0.32 for the relationship between the amount of time spent watching TV and the achievement test scores of schoolchildren. >>> Which statement is okay to make?"

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Question 80 pts

What is the correlation for the following data?

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Question 90 pts

A single outlier cannot cause a correlation to be high.

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Question 100 pts

Which of the following correlation techniques do we use for a straight line?

"Yes, since following the ""golden rules"" has a positive correlation with health we can conclude that this type of behavior causes longer life."

Explanation / Answer

Dear student please post the question one at a time.

answer to question 1

option D

"No. Correlation does not demonstrate a cause-effect relationship. It could be, for example, that both the seven ""golden rules' of behavior and a longer life are effects of a common cause - for example, leading a low-keyed, orderly life."

answer to question 2

option D (since ther is a negative correlation)

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