1. calculate the median and mean of the justice's years of service2. what proportion of the justices have served for longer than the mean service length? As of January 2010, the nine justices of the U.S. Supreme Court and their years ofappointmentand services are as follows:JusticeStevensScaliaKennedyThomasGinsbergBreyerRobertsAlitoSotomayorYearAppointed197519861988199119931994200520062009Years ofService342321181615430

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

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1. calculate the median and mean of the justice's years of service

2. what proportion of the justices have served for longer than the mean service length?

As of January 2010, the nine justices of the U.S. Supreme Court and their years of
appointment
and services are as follows:
Justice
Stevens
Scalia
Kennedy
Thomas
Ginsberg
Breyer
Roberts
Alito
Sotomayor
Year
Appointed
1975
1986
1988
1991
1993
1994
2005
2006
2009
Years of
Service
34
23
21
18
16
15
4
3
0

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

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