Calculateur du Test des Séquences Gratuit
Effectuez un test des séquences pour vérifier le caractère aléatoire de vos données. Analysez la distribution des runs.
Expected Runs
13.0000
Écart type2.3452
Z Statistic-2.1320
Expected Runs vs Count Type A
Formule
Wald-Wolfowitz Runs Test
mu = 1 + 2*n1*n2/(n1+n2)
Tests randomness of binary sequences.
Exemple Résolu
15 As, 10 Bs, 8 runs.
- 01Expected = 13
- 02Z = -2.15, not random
Questions Fréquentes
What is a run?
A maximal consecutive sequence of same type.
Too few runs?
Suggests clustering or trends.
Significance?
Compare |Z| to 1.96 at alpha=0.05.
Apprendre