Calculate the Sample Standard Deviation. 1  Calculate the mean or average of each data set. 2  To do this, add up all the numbers in a data set and divide by the total number of pieces of data. 3  For example, if you have found numbers in a data set, divide the sum by 4.alculate the Population Standard Deviation. 1  Calculate the mean or average of each data set. 2  Add up all the numbers in a data set and divide by the total number of pieces of data. 3  For example, if you have found numbers in a data set, divide the sum by 4.
Most pregnant women begin to show during the second trimester. You likely gained less than 5 pounds during your first trimester, but now the number on the scale is edging relentlessly upward. As your second trimester proceeds, you'll gain an average of 1 to 2 pounds per week.
It takes about 6 to 14 days after conception to get earliest pregnancy symptoms. Right from the day you have sex during ovulation period, your body is in the process of developing a new life inside you. You get pregnant when implantation happens. It means you are pregnant around ten days before your period due date. But tests give a precise result of your pregnancy a week or two after your missed period as the pregnancy hormone hCG must have raised to reasonable levels by then. How did you find out that you are pregnant?