For a sample of 8 employees, a personnel director has collected the following data on ownership of company stock, y, versus years with the firm, x.
(a) Determine the least-squares regression line and interpret its slope(b) For an employee who has been with the firm 10 years, what is the predicted number of shares owned?
(c) Is there a statistical significance between years of service and ownership of company stocks? (use α=0.05α=0.05)
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