Question: Refer to Exercise 9 where we are trying to link
Refer to Exercise 9 where we are trying to link customer waiting time (x) to customer satisfaction (y). The estimated regression equation turned out to be ˆy =126 – 1.8x. Is the sample slope (b = 1.8) significantly different from 0 at the 5% significance level? Explain the implications of your answer.
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