Question

the following are the weights (in kg) of 8 students of a class
40,34.5,38.7,35.1,40.4,3 3,41,39.3
a) find the mean weight.
b)if a teacher, whose weight is 52 kg is also included then what will be the mean weight? ​

Answer 1

Step-by-step explanation:

mean=Efx/n

Efx means the total number