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.
When providing information to consumers, FICO always says the range for standard or classic scores is 300 to 850. However a little known fact is that the actual, real-world score ranges are not 300 to 850 for all FICO classic versions.he FICO scoring model with its familiar range of 300 to 850 was first introduced in 1989. Since then, FICO has released five major revisions: 1995, 1998, 2004, 2008, and 2014. Each edition uses a different formula and produces a different score.