The file P13_52.XLS contains the cost (in 1990 dollars) of making a 3-minute phone call from London

Question:

The file P13_52.XLS contains the cost (in 1990 dollars) of making a 3-minute phone call from London to New York. Use regression to estimate how (or whether) the cost of a London to New York call has declined over time. Based on these data, predict the cost of a 3-minute phone call in the year 2000.

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