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Ramona measures how positive a person’s mood is and how creative he or she is, obtaining the following interval scores:

(a) Compute the correlation coefficient. (b) What are H0 and Ha ? (c) With = .05, what is rcrit? (d) What should she conclude about this relationship in nature? (e) Report the results using the correct format. (f) How scientifically useful is this relationship?

 

 
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