Answered: 1. The two plots have similar…

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. The two plots have similar distrubutions. Are the distrubutions skewed left, approximtly symmetric, or skewed right?

2. Which is greater, the mean or the median, within each plot? Why does this make snese, gicen the type of distrubution you identified in the first part?

3. The population has drastically declined over recent years. Does the data show a difference in bee prefrence towards high quality hives versus how quality hives? Usse statistical evidennce to support your response.

Dotplot
Low
High
Histogram Box plot
0
50
100
Dala
150
**
ait Data
200
250
300
350
400
450
Summary Statistics
Statistics
Sample Size
Mean
Standard Deviation
Minimum
Q1
Median
Q3
Maximum
High
41
90.488
94.623
0
10.00
80.00
120.00
440
Low
37
30.000
49.427
0
0.00
0.00
40.00
185
Overall
78
61.795
81.960
0
0.00
32.50
100.00
440

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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