Average Temperatures for Virginia in October. Average temperatures for October at cities, towns, parks and lakes throughout Virginia are listed below in degrees Fahrenheit and Celsius. The tables give the normals for maximum and minimum temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center.
In statistics, interval estimation is the use of sample data to calculate an interval of possible (or probable) values of an unknown population parameter, in contrast to point estimation, which is a single number.n statistics, interval estimation is the use of sample data to calculate an interval of possible (or probable) values of an unknown population parameter, in contrast to point estimation, which is a single number.
a number calculated from the sample. confidence interval. An interval and confidence level calculated for an estimate of an unknown population parameter, used to indicate how accurate the estimate is and of how confident we are that the result is correct. 95% confidence interval. s an interval calculated from sample data by a process that is guaranteed to capture the true population parameter in 95% of all samples. sampling distribution. A distribution that describes how a statistic varies in all possible samples of the same size from the same population.