Dictionary definition: percentage point

Article: Implementation of a real-time statistical process control system ...
Forest Products Journal;  September 1, 2007 ;     700+ words ... ... sub.t] = thickness standard deviation of lumber, z = z-score for the lower [alpha]/2 percentage point of the standard normal distribution. Even though Brown (1982) noted limitations of his non-probabilistic equation [1], the ...

Dictionary definition: normal distribution
A Dictionary of Statistics;      700+ words ...normal distribution ( Gaussian distribution ) The ... The description ‘normal distribution’ was used by Galton ... by Karl Pearson in 1905. The normal distribution is the basis of a large proportion ...

Article: Evaluating the adequacy of simulating maximum and minimum daily ...
Journal of Applied Meteorology;  July 1, 2002 ;     700+ words ... ... maximum and minimum temperature. The normal distribution is used by most weather generators ... generating temperature data from the normal distribution. To accomplish this objective ... temperature records generated with the normal distribution were compared with measured temperature ...

Article: Survival Characteristics of Corn Seed during Storage: I. ...
Crop Science;  September 1, 1999 ;     700+ words ... ... resembling a negative cumulative normal distribution (Roberts, 1972, 1973). Such ... population can be described by a normal distribution where y is the relative frequency ... Assuming that seed survival follows a normal distribution, Ellis and Roberts (1980a) developed ...

Article: HMOs Expect a 4.6% Increase in Insurance Rates and a 1.3 ...
PR Newswire;  October 1, 1997 ;     700+ words ... ... increase in premium rates and a 1.3 percentage point decrease in their medical loss ... overall medical costs: The 1.3 percentage point decline in the medical loss ratio follows a 1.5 percentage point improvement expected for 1997 ...

Article: NUTRIENT SCALING FOR ASSESSING EUTROPHICATION: THE DEVELOPMENT OF ...
Ecological Applications;  February 1, 2000 ;     700+ words ... ... assessing eutrophication. A simulated normal distribution was developed for nitrate concentrations ... drastic data manipulation. A standard normal distribution was derived and was evaluated in ... nutrient concentrations; physical-normal distribution; probabilistic procedure; ...

Article: Normal Distribution
Gale Encyclopedia of Psychology;      639 words ...Normal distribution The common pattern of numbers in which the majority ... the bell-shaped curve that scientists call a normal distribution. When measurements produce a normal distribution, certain things are predictable. First, the ...