TERMIUM Plus^®

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A one-sample t test compares the mean score of a sample on a continuous dependent variable to a known value, which is usually the population mean. For example, say that we take a sample of students from the university and compare their average IQ [intelligence quotient] to a known average IQ for the university. If we want to find out whether the sample mean IQ differs from the average university IQ, a one-sample t-test will give us the answer.  1, fiche 1, Anglais, - one%2Dsample%20t%20test

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Le test t pour échantillon unique permet de comparer la moyenne d'un échantillon ([symbole mathématique]) avec une moyenne théorique (μ) pour une variable quantitative. Ce test suppose que la distribution de la variable soit normale.  1, fiche 1, Français, - test%20t%20pour%20%C3%A9chantillon%20unique

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