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What the deference between variable and variate?
A random variate is a particular outcome of a random variable: the random variates which are other outcomes of the same random variable would have different values.
Can the standard normal variate in normal distributions be negative?
About half the time.
What is frequancy in statistical data?
The number of times a variate is observed in a population is the frequency of that variate. For example if plant length is under observation and in a population of plants having one meter length is measured 15 ; the frequency of 1 m tall plants will be 15.
What is F variate?
The F-variate, named after the statistician Ronald Fisher, crops up in statistics in the analysis of variance (amongst other things). Suppose you have a bivariate normal distribution. You calculate the sums of squares of the dependent variable that can be explained by regression and a residual sum of squares. Under the null hypothesis that there is no linear regression between the two variables (of the bivariate distribution), the ratio of the regression sum of squares divided by the residual sum of squares is distributed as an F-variate. There is a lot more to it, but not something that is easy to explain in this manner - particularly when I do not know your knowledge level.
Are mountains discrete or continuous?
Mountains are continuous.
