Because thyroid disorders can cause changes in menstrual cycle and mood, the symptoms are sometimes mistaken for menopause. If a thyroid problem is suspected, a simple blood test can determine whether the true culprit is menopause or a thyroid disorder -- or a combination of the two.
In statistics, the standard score is the (signed) number of standard deviations an observation or datum is above the mean. Thus, a positive standard score indicates a datum above the mean, while a negative standard score indicates a datum below the mean.hus, a positive standard score indicates a datum above the mean, while a negative standard score indicates a datum below the mean.
Standard deviation is a statistical term that refers to distribution. Basically think of it as the number of points between the next break in grades. The scores that are 30 points above and 30 points below the mean represent the scores of the majority of the class. Some professors base grades off of standard deviation.