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.
Tingling tongue: Certain spices contain chemical that temporarily affects nerve endings, causing some numbness. If you have had recent dental anesthetics, make sure to discuss this sensation with your dentist, as some treatment may be suggested for healing. Other causes may involve systemic issues such as blood chemistry, or thyroid condition, or allergies. Please have this checked by a medical doctor first. ...Read more.