Activity 1. Calculate the standard deviation of the weights in kilograms of 10 basketball players: 68, 66, 70, 67, 68, 65, 64, 68, 69, 66 2. Calculate the standard deviation of the ages of a group of teachers: 24 28 35 27 42 29 31 32 26 25 32 33 41 25 23 30 Assignment: 1. Define Probability. 2. Give 2 examples of situation showing probability. Reminder: 1. Write important notes in your notebook. 2. Write your answer in the activity and assignment in 1 whole sheet paper. DON'T FORGET TO WRITE YOUR NAME AND SECTION.​