ollowing is the rating of marketing aggressivity (X) and sales performance (Y) of 8 sales staffs in Company PGB in the past year: X 30 17 35 28 42 25 19 29 Y 35 31 43 46 50 32 33 42 a. What statistical method can be applied for this study? Explain your answer b. What is the hypothesis of the study? c. At a 5% significance level, is there any correlation between marketing aggressivity and sales performance

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