Question: Q) in Linear Regression from introduction to statistics. please see picture attached and answer the given questions. Question. A marketing firm wished to determine whether
Q) in Linear Regression from introduction to statistics. please see picture attached and answer the given questions.

Question. A marketing firm wished to determine whether the number of television commercials (X) broadcast was correlated with the sales (Y) (in hundred thousandsof dollars} of its product. The data are given in the table below: 3) Calculate 55(X), 55(Y), SS(XY) and (r) for the given data. (Write the details of the solution) b) Is there a relationship between x and Y? If yes, of what type? C) Select the correct choice: The variables x and Y have a weak positive correlation. weak negative correlation. moderate positive correlation. moderate negative correlation. high positive correlation high negative correlation
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