deviation articles
What is the mathematical name for the distribution described by a symmetric bell shape?
What is the defining visual feature of the normal distribution?
Which two measurable characteristics entirely dictate the location and spread of a normal distribution?
What role does the mean ($\mu$) play in defining the normal distribution?
How does a large standard deviation ($\sigma$) affect the shape of the normal curve?
In a perfect normal distribution, what is true about the mean, median, and mode?
According to the Empirical Rule, what percentage of data falls within one standard deviation ($\pm 1\sigma$) of the mean?
What is the standardized version of the normal distribution called?
What mathematical concept is used to transform a raw data point ($X$) into a standard unit of distance from the mean?