Output 1.2 reports a correlation of 0.975 between the sensor and reference readings. What can the council conclude from this alone?

Question

Answer

The sensor has no bias, because the correlation is high and the error SD is small.

Answer

The readings move together, but the sensor could still read consistently high.

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The mean error must be near zero, because the two instruments are so strongly related.

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The sensor is accurate, because a correlation near one means its errors are near zero.

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Both instruments classify every day identically, because the readings rise together.

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