compute r,r2 and 1-r2 for the problem below .What does r,r2 and 1-r2 mean ? Is the correlation strong or weak ?
You are given the following data:
X(Independent Variable) Y(Dependent variable)
Month Advertising Expenditure (in Millions of $) Sales Revenue (in Millions of $)
July 1 3
August 2 7
September 3 5
October 4 11
November 5 14
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