PublicRecordCenter.com City of South Lake Tahoe, California updated and largest online public and criminal records portal. South Lake Tahoe is located in El Dorado County, California, United States.ublicRecordCenter.com City of South Lake Tahoe, California updated and largest online public and criminal records portal. South Lake Tahoe is located in El Dorado County, California, United States.
Definition. Process aimed at computing variance between actual and budgeted or targeted levels of performance, and identification of their causes.
Variance and covariance are two measures used in statistics. Variance is a measure of the scatter of the data, and covariance indicates the degree of change of two random variables together. Variance is rather an intuitive concept, but covariance is defined mathematically in not that intuitive at first.