7.Suppose that sales staff with more years on the job tend to have greater sales due to their additional experience. Also, suppose that greater bonus rewards are awarded to those sales staff who have the greatest sales. Which of the following is true? a.There is an association between years worked and bonus amount, with those workers with greater years worked receiving greater bonus amounts. b.There is a causal relationship between years worked and bonus amount because the company bases the bonus decisions on the amount of experience. c.Both of the above. d.Neither of the above

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