This math topic focuses on understanding the standard deviation and interpreting normal distribution curves. Specifically, it practices identifying the percentage of data that lies above or below certain standard deviations from the mean in a normal curve. The skills developed here are fundamental to probability and statistics, particularly in areas dealing with distribution of data relative to the mean, using concepts of standard deviations and Z-scores.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.