Posted on February 15, 2018 by admin Practice Definitions for EDRS 620 Midterm 4 What does positive z–score mean? What does quartiles mean? What does standard deviation mean? What does variance mean? What does variance of a sample mean? What does percentile mean? What does z–score mean? What does interquartile range mean? What does uniform distribution mean? What does a box plot show? What does outlier mean? What does negative z–score mean? What is the definition of "range"? Post navigationPrevious post: Resolution of Independence: Paragraph 3Next post: Question #1