A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression ANOVA shows the following results: 
What is the value of the coefficient of correlation?
Definitions:
Learned Optimism
A term describing the idea that people can learn to be more optimistic by changing their attitudes and beliefs about themselves and their abilities.
Meta-analysis
A statistical technique for amalgamating findings from separate studies to determine the overall trend or effect across all studies.
Problem Solving Therapy
A therapeutic approach focused on teaching individuals strategies to effectively confront and solve life's problems.
Attention Placebo
The effect of believing that one's condition will improve purely due to receiving attention or care, regardless of any specific treatment being given.
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