You are given the following data:

X (Independent Variable)Y (Dependent variable)

MonthAdvertising Expenditure (in Millions of $)Sales Revenue (in Millions of $)

March2030

April4060

May2040

June3060

July1030

August1040

September2040

October2050

November2030

December3070

-Do Hypothesis Testfor the Correlation Coefficient ,r .

Assume that you want to test for a positive correlation. Let ,your level of significance ,be .05.The number of observations, n, is 10.Use n-2 degrees of freedom. Do you reject or do not reject H₀ ?

You need to do the 6 steps for the Neyman-Pearson critical value test.You do not need to do a Fisher p-value test for the correlation coefficient ,r.