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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"?