bonjour j'ai besoin d'aide sur mon dm de maths, je comprends pas comment calculer le premier quartile avec en plus les fréquences ​

Réponse:

4×5÷100,6×5÷100,7×10÷100.....

Explications étape par étape:

Hi,I speak english but I also understand french.so may be you'll get someone to explain for u what I'm speaking. in this question,you will have to take the number on the upward and multiply with the no with the percentage symbol and you divide by 100.