i am writing my chem lab report now i am trying to calculate the standard deviation of my data.i got the figure : trial1: 24.762 trial2: 24.902 trial3: 24.902then i already know the formula of the standard deviation how should i present my final resulting data?only the figure?how about the uncertainty that i should included to my lab data book? how to calculate the uncertainty of the data?please refer to the figure i provided above. thank you