For example if we started with the primes 17 and 19, the first 16 pairs of points would have perfect linear correlation.

A rating of 1 would be a perfect correlation.

In the butterfly, the perfect correlation between the crystal's periodicity and the wavelength of light must have evolved over time.

"There is a perfect correlation: the more ads aired, the more phone calls placed, the more money spent."

As of 2013 no biomarker with perfect correlation has been found, but some of them have shown a special behavior.

Now suppose, for instance, that there is a perfect correlation of 1 between times and .

Values range from 1 (indicating perfect dispersion) to +1 (perfect correlation).

Most studies have shown that there is a strong, though not perfect, correlation between levels of education and level of economic development.

It is not a perfect correlation because the dollar was rising as the 30-year bonds reached a high in January.

Nevertheless they exhibit perfect correlations which cannot be explained without quantum mechanics.