Answered: Robin works as a server in a small…

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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Question

1) Robin works as a server in a small restaurant, where she can earn a tip from each customer she serves. The histogram below shos the distribution of her 60 tip amounts for one day of work. a) write a few sentences to describe the distribution of tip amounts for the day shown. (Five things) b) one of the amounts was $8. If the $8 had been $18, what effect would the increase have had kn the following statistics. Justify your answers. (Four things, two for median, 2 for mean) Mean: Median: (Please right it out on paper)

r in a small resta
below shows the distribution of her
25
20
15
10-
5
0
25
22
6 m
4
18
5
10
15
Tip Amounts (dollars)
20
to describe the distribution of tip amounts for the
right
tween the 20-22.5
the MOGO ic

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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