Answered: The table shows, for four cruises,…

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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The table shows, for four cruises, the numbers of crew members, passengers, and entertainers (not included as passengers). Find (a) the mean and (b) the median number of crew members per cruise.

(a) The mean number of crew members per cruise is _________

(b) the median number of crew members per cruise is ______

(NOTE: Type an integer or decimal rounded to the nearest tenth as needed.)

Cruise
Crew
Passengers
Entertainers
Cruise 1
183
1600
30
Cruise 2
228
3100
65
Cruise 3
172
1300
40
Cruise 4
215
2800
45

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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