The weights (in kg) of 50 wrestlers are recorded in the following table:

Find the mean weight of the wrestlers.

The weight of tea in 70 packets are shown in the following table Find the mean weight of packets.

The weights in kilograms of 60 workers in a factory are given in the following frequency table.Find the mean weight of a worker. Weight (in kg) x:606162636465 No.of workers f:581416107

The weight (in kg ) of 25 children of 9th class is given . Find the mean weight of the children .

The weight (in kg) of students are given below : Find the median weight of a student.

The following table shows the weights of 12 workers in a factory : find the mean weight of the workers.

The following table shows the weights (in kg) of 15 workers in a factory Calculate the mean weight

Following table shows the weight of 12 students: Weight (in kgs) 67 70 72 73 75 Number of Students: 4 3 2 2 1 Find the mean weight of the students.

The mean weight of a group of 9 students is 19 kg . If a body of weight 29 kg is joined in the group , then find the mean weight of 10 students. The following are the steps involved in solving the above problem . Arrange them in sequential order . (A) The mean weight of 10 students = (200)/(10) kg (B) The total weight of 9 students = 9 xx 19 kg = 171 kg (C) The total weight of 10 students = (171 + 29) kg = 200 kg (D) therefore The mean weight = 20 kg

The mean weight of a class of 35 student is 45 kg. if the weight of the teacher be included, the mean weight increases by 500g. Find the weight of the teacher.

In a class, there are 20 girls and 30 boys . The mean weight of 20 girls is 35 kg and mean weight of 30 boys is 60 kg. Find the mean weight of the class