Question

The mean of 30 students in a class is 60.2 kg.two students of weight 50kg and 67 kg left the class. Find the mean weight of remaining students

Answer 1

Answer:

solution given below

Step-by-step explanation:

The mean weight of 30 students of a class is 60.2 kg and 2 students of weight 50 kg and 67 kg left the class. 2 students of weight 50 kg and 67 kg left the class. That means now the number of students are 30-2=28. And the total weigh is 1806-50-67=1689 kg.

Answer 2

1. Get the total weight of the class

2. Subtract the weights of students who left from the total.

3. Divide the new weight by the students in the class i.e. 28.

Hence the answer, 60.128kg

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