The Box & Whiskers Plot Notes | Lecture Note - Edubirdie

University:
York University
Course:
MATH 1131 | Introduction to Statistics I
Academic year:

2022
Views:

313

Pages:

1
Author:

Niklas

Box and whiskers plot Loit gives a schematic idea of other measures a data set of a distribution based on quartiles and few it consists in a box and two whiskers how the third quartile Whiskers do not always extend to the most extreme observations the whisker extend to the furthest data that is however or not farther thau cost x (IQR) from the box cost is an arbitrary constant, = 1.5 Lobservation that are beyond the whiskers are drawn. appropriately on the graph Example 1.1 1.3 1.4 1.6 1.8 1.9 N=12 maxy, Y., £90+1.5 IQR} 2.0 2.5 2.9 3.2 4.1 5.6 Q 54 N+1 QQ0.253.25±1.5 Q2Qn2=6.5±1.95 Q3=Qn3=9.75±3.05 1QR=Q3-Q=1.55 Q₂=median Lw=Q-1.5-IQR=-0.825 onegative number Q Uw=Q3+1.5. IQR=5.375. • mun {y: Y:≥9025-1.5-1QR} 19.9.25-1.5-1QR third quartile

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