Question: 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

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.

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1. Background knowledge of the subject and

4. What specific changes in the environment have taken place in relation to the information we have collected?

2. The purpose of the acquisition of the information.