Anxiety disorders can be seen with other mental health conditions, such as: 1  Depression. 2  Substance abuse. 3  ADHD. 4  Eating disorders. 5  Trouble sleeping.
A variance has several meanings in business. In an accounting sense, a variance is the difference between an actual amount and a pre-determined standard amount or the amount budgeted. In a statistical sense, a variance is a measure of the amount of spread in a distribution.
The Volume variance represents the difference between the budget allowance and the standard expenses charged to work in process. If budget allowance is more than the standard expenses charged to production, the variance is called unfavorable volume variance. If budget allowance is less than the standard expenses charged to production, the variance is called favorable volume variance. Overhead volume variance is calculated when overall or net overhead variance is further analyzed using two variance method.