Correlation is a measue of how close the line fits the points that you found in your experiment. Anyone can say whether they think the line is a good fit or not, but to measure it exactly, we use the correlation coefficient: R 2. Look at the following two plots. In the first, the line fits very well, and in the second, then line fits very poorly.
2 Answers. , Victim of celery induced tongue-numbness. The tingling in your tongue is an allergic reaction to furanocoumourans, a chemical found in celery. It is a toxic chemical produced by plants as a defense mechanism against insects and animals.
1 Foods that contain very high acid level may also lead to pimples on the tongue. 2  Pimples on tongue can be as a result of some kind of injury that occurs to the tongue brought about by scraping or biting.  Oral thrush or oral candidiasis â which is a yeast infection â can also lead to a pimple on tongue.