Answered: Yearly, students are invited to…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Yearly, students are invited to membership in the honor society for your major if their
class rank is at least in the 90th percentile for all students in that major. In 2019 you
ranked 340 out of 1245 students in your major.

a. Will you be invited to membership?
b. If you had the data on the cumulative gpa of each member of the honor society
at the end of the spring semester in 2019, what would the mean and the median
each tell you and how would you compute each measure?

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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