Box and Whisker Plot Review

[Pages:19]07 Box & Whisker Review AQR1.notebook

August 19, 2016

Box and Whisker Plot Review

A Five Number Summary

Definitions

Activities

Practice Labeling

Title Page

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07 Box & Whisker Review AQR1.notebook

August 19, 2016

Definitions

Click on each word to view its definition.

Outlier

Lower Quartile

Upper Quartile

Median

Lower Extreme

Upper Extreme Inner Quartile Range

Definitions

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07 Box & Whisker Review AQR1.notebook

August 19, 2016

Outlier: A data element that lies outside the normal distribution of the data. (IQR - Interquartile Range) There are two types of outliers: 1. Mild Outlier > 1.5*IQR 2. Extreme Outlier > 3*IQR

Definitions

Outlier

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07 Box & Whisker Review AQR1.notebook

August 19, 2016

Lower Extreme (minimum): The lowest value, not counting outliers, in a set of data part of the five number summary.

Lower Extreme

Definitions

Lower Extreme

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07 Box & Whisker Review AQR1.notebook

August 19, 2016

Lower Quartile (Q1) = the value of the median of the lower 50% of the data, where 25% of the values are smaller than the lower quartile and 75% are greater than. In other words the lower quartile is the median of the lower 50% of the data.

Q1 = lower quartile = cuts off lowest 25% of data = 25th percentile

Lower Quartile

Definitions

Lower Quartile

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07 Box & Whisker Review AQR1.notebook

August 19, 2016

Median (Q2): the middle value when a set of values are placed in numerical order. If there is an even number of values then the median is the mean of the middle two values (add the two middle terms and divide by two).

Med = Q2 = median = cuts data set in half = 50th percentile

Median

Definitions

Median

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07 Box & Whisker Review AQR1.notebook

August 19, 2016

Interquartile Range (IQR): the value of the IQR is the difference of the 3rd and 1st quartile. The IQR contains approximately the middle 50% of the data points.

IQR = Q3 - Q1

Inner Quartile Range Definitions

Interquartile Range

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07 Box & Whisker Review AQR1.notebook

August 19, 2016

Upper Quartile (Q3): the value of the median of the upper 50% of the data, where 25% of the values are greater than the upper quartile and 75% are less than. In other words the upper quartile is the median of the upper 50% of the data.

Q3 = upper quartile = cuts off highest 25% of data, or lowest 75% = 75th percentile

Upper Quartile

Definitions

Upper Quartile

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