Answered: The manager at a water park constructed…

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

The manager at a water park constructed the following frequency distribution to summarize attendance in July and August

Attendance	Frequency
1,000 < x < 1,250	7
1,250 < x < 1, 500	5
1,500 < X < 1,750	11
1,750 < X < 2,000	8
2,000 < X < 2,250	10
2,250 < x < 2,500	4

a-1. construct the corresponding relative frequency distributions

Attendance	Relative Frequency
1,000 < x < 1,250
1,250 < x < 1, 500
1,500 < X < 1,750
1,750 < X < 2,000
2,000 < X < 2,250
2,250 < x < 2,500

a-2. what portion of the time was attendance at least 1,250 but less 1500 people?

a-3. what portion of the time was attendance at least 1,500 people?

a-4. what portion of the time was attendance at least 1,500 or more?

which statement is correct regarding the shape of distribution using a histogram?
The distribution is relatively symmetric
The distribution is positively skewed
The distribution is negatively skewed
Symmetry or skewness cannot be determined with the available information

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