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Qu'est-ce (qui) est T-statistic - définition
T-statistic
RATIO OF THE DEPARTURE OF THE ESTIMATED VALUE OF A PARAMETER FROM ITS HYPOTHESIZED VALUE TO ITS STANDARD ERROR
T statistic; T-value; T-statistics; Student's t-statistic; T-scores; Student's t statistic; Student's t-Statistic
In statistics, the t-statistic is the ratio of the departure of the estimated value of a parameter from its hypothesized value to its standard error. It is used in hypothesis testing via Student's t-test.
statistic
FUNCTION OF RANDOM VARIABLES
StatistiC; Sample statistic; Sample statistics
(statistics)
Frequency: The word is one of the 3000 most common words in English.
1.
Statistics are facts which are obtained from analysing information expressed in numbers, for example information about the number of times that something happens.
Official statistics show real wages declining by 24%...
There are no reliable statistics for the number of deaths in the battle.
= figure
N-COUNT: usu pl
see also vital statistics
2.
Statistics is a branch of mathematics concerned with the study of information that is expressed in numbers.
...a professor of Mathematical Statistics.
N-UNCOUNT
Statistic
FUNCTION OF RANDOM VARIABLES
StatistiC; Sample statistic; Sample statistics
A statistic (singular) or sample statistic is any quantity computed from values in a sample which is considered for a statistical purpose. Statistical purposes include estimating a population parameter, describing a sample, or evaluating a hypothesis.
