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.
Yes, it's too early. No woman starts having pregnancy symptoms two days after unprotected sex. If you conceived, plenty is going on in your body, but on such a small scale that you will not notice it. You don't start having pregnancy symptoms until that egg implants in your uterus. Plenty of women start having symptoms of something other than pregnancy two days after unprotected sex or even right away though, symptoms of WORRY and STRESS. Feeling sick to your stomach and a loss of appetite are both anxiety symptoms.