Question: You may need to use the appropriate appendix table or technology to answer this question. The data on y = annual sales ($1,000s) for new

You may need to use the appropriate appendix table or technology to answer this question. The data on y = annual sales ($1,000s) for new customer accounts and x = number of years of experience for a sample of 10 salespersons provided the estimated regression equation y = 80 + 4x. For these data, x = 7, Z(x; - x)

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