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.
A revenue variance is the difference between how much the revenue should have been, given the actual level of activity, and the actual revenue for the period. A revenue variance is easy to interpret. A favorable revenue variance occurs because the revenue is greater than expected for the actual level of activity. An unfavorable revenue variance occurs because the revenue is less than expected for the actual level of activity.