Question: Refer to Exercise 9 where we were trying to link customer waiting time (x) to customer satisfaction (y). The boundaries for a 95% confidence interval

Refer to Exercise 9 where we were trying to link customer waiting time (x) to customer satisfaction (y). The boundaries for a 95% confidence interval estimate of the “population” slope here are 6.271 and 2.671. Could we reasonably believe that the “population” slope, , is actually 0? 4.2? – 2.5?

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