DS 367 Lecture Notes - Lecture 5: Interquartile Range, Box Plot, Standard Deviation

• School: EMU
• Department: Decision Science
• Course: DS 367
• Professor: Wozniak

Document Summary

A variable is one that takes on numerical values where it makes sense to find an average. A variable is one that places an individual in a group. What values a variable takes and how often it takes those values. Drawing conclusions about a population of individuals based on a sample. bar graph. The following display is a two way table. The following display is a frequency table. A measure of center not affected by outliers is called the A measure of center affected by outliers is called the balance. On a histogram the mean is referred to as the point equal areas. On a histogram the median is referred to as the point. A distribution is found by dividing the row or column totals by the table total. bi-modal. The shape of this distribution is skewed left. The shape of this distribution is histogram. The shape of this distribution is gap.