Solve for the range, average deviation, variance, and standard
deviation of the following data set.


1. This dataset represent the number of hours that 10

student spend browsing the internet in a week.
21, 38, 27, 40, 52,35, 42, 28, 35,56


2. The weight in kg of 15 grade 10 students are as follow:
39, 50, 46, 36, 45, 33, 39, 42, 49, 38, 44, 47, 43, 50, 41

( PROPER ANSWER PLS T-T)