1 Physical therapy typically is covered by health insurance when medically necessary. 2  For patients not covered by health insurance, physical therapy typically costs $50-$350 or more per session, depending on the length of the session, the service provided during the session and the provider. Physical therapy typically is covered by health insurance when medically necessary. 2  For patients not covered by health insurance, physical therapy typically costs $50-$350 or more per session, depending on the length of the session, the service provided during the session and the provider.
In the top metros, Zillow says accuracy ranges from a median error rate of 5% in Washington, D.C. to 9.5% in Pittsburgh. In some cities â including Houston, Kansas City, San Antonio and St. Louis â Zillow is unable to produce a Zestimate error rate because of state real estate disclosure laws.
Roughly speaking, a confidence interval is range of numbers within which we believe the true population parameter to fall. Here, we will focus on how to calculate a confidence interval for a population mean. Letâs think about this in terms of z-scores.hen we calculate a z-score, we want to look at how many standard deviations away from the mean our data point falls. A confidence interval relies on a similar principle. We want to estimate how many standard errors our sample mean falls from the true population mean on the sampling distribution.