Selective serotonin reuptake inhibitor. Selective serotonin reuptake inhibitors (SSRIs), also known as serotonin-specific reuptake inhibitors or serotonergic antidepressants,[1] are a class of drugs that are typically used as antidepressants in the treatment of major depressive disorder and anxiety disorders.
Then you're looking for the midpoint! The midpoint of a line segment is the point located midway between the endpoints of the line segment. This tutorial tells you about the midpoint of a line segment.
Finding midpoint in class interval to calculate mean for cumulative frequency graph. up vote 1 down vote favorite In a cumulative frequency graph (or histogram), the data is often given in class intervals. To calculate the estimated mean of the data, the formula is: (SUM m*f)/(SUM f) where m = midpoint of the class intervals and f = frequency. However, the main point of this question is, how do I calculate the midpoint of a class interval? Example 1