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.
Statistics: The arithmetic mean of the squares of the deviations of all values in a set of numbers from their arithmetic mean. Variance and its square root (the standard deviation) are of fundamental importance as a measure of dispersion.