The common symptoms of an overactive thyroid are weight loss, increased appetite, irritability, rapid heart rate and anxiety, according to the Office on Women's Health, whereas underactive thyroid symptoms include weight gain, cold sensitivity, fatigue, depression and muscle weakness.
Z-Scores Explained. A z-score is a score that falls somewhere within the standard normal distribution. Its counterpart on the standard distribution is the standard score. The standard normal distribution and z-score allow all the standardized scores to be weighed equally through a few calculations. z-score is a score that falls somewhere within the standard normal distribution. Its counterpart on the standard distribution is the standard score. The standard normal distribution and z-score allow all the standardized scores to be weighed equally through a few calculations.
Stanines range from 1 â 9, with 1 â 3 being Low, 4 â 6 Average, and 7 â 9 High. STANDARD SCORE The standard score is an individual performance measure in comparison to same-aged or same-grade peers. Standard scores are a more accurate measure of ability than Grade or Age Equivalents.tanines range from 1 â 9, with 1 â 3 being Low, 4 â 6 Average, and 7 â 9 High. STANDARD SCORE The standard score is an individual performance measure in comparison to same-aged or same-grade peers. Standard scores are a more accurate measure of ability than Grade or Age Equivalents.