Figure 2 illustrates a normal distribution of test scores with a mean of 100 and a standard deviation of 15. The standard deviation is an indication of the variability of scores in a population (Mather & Jaffe, 2002).nderstanding Standard Scores. The major purpose of standard scores is to place scores for any individual on any variable having any mean and standard deviation on the same standard scale so that comparisons can be made.
Note: True symptoms of PMS do not begin until after Day 13, any symptoms you experience earlier in your cycle may have another cause. However, you should still include any symptoms you experience on Days 1 to 13 on your menstrual cycle calendar.
Well, they usually say start 3 weeks prior to the due date.At least my job does. Now I will tell you a sotry real quick lol.. When I was pregnant with my first, I was 8 1/2 months, and just told my boss I would work another week, and I was going to take my leave because I was just miserable! So I tell them this on a wednesday. While I was working, I decided I didn't want to work the next few days. 2 days that is.