Landlord-Tenant Rights. The Philadelphia Property Maintenance Code (Section PM-102.6.4) requires residential property owners to provide new tenants with a copy of the â City of Philadelphia Partners for Good Housing â brochure issued by the Department of Licenses and Inspections.
2.2.4 The definition of uncertainty of measurement given in 2.2.3 is an operational one that focuses on the measurement result and its evaluated uncertainty.
Definition of Variance. Variance is a statistical measure that tells us how measured data vary from the average value of the set of data. In other words, variance is the mean of the squares of the deviations from the arithmetic mean of a data set.