Compute sample mean and variance of set

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Reference no: EM131852832

The traffic on a two-lane road has been studied in preparation for the start of a construction project during which one lane will be closed. The problem is whether to use an automatic signal with a fixed cycle, a flagman, or go to the expense of constructing a new temporary lane. The data are:

341_constructing a new temporary lane.png

Compute sample mean and variance of each set. What can you say about the traffic pattern that tends to discriminate between an automatic signal with a fixed cycle and a flagman who can follow the traffic demand? How would you make a study of the possible demand for a new temporary lane?

Reference no: EM131852832

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