Fifty cities provided information on vacancy rates (in %) in local apartments in the following frequency distribution. Vacancy Rate (8) 0
Fifty cities provided information on vacancy rates (in %) in local apartments in the following frequency distribution. Vacancy Rate (8) 0
Operations Research : Applications and Algorithms
4th Edition
ISBN:9780534380588
Author:Wayne L. Winston
Publisher:Wayne L. Winston
Chapter20: Queuing Theory
Section20.2: Modeling Arrival And Service Processes
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![Chapter 2 Homework
8
Fifty cities provided information on vacancy rates (in %) in local apartments in the following frequency distribution.
Relative
Frequency
0.04
Vacancy Rate ()
0<x<3
3 < x < 6
6 < x≤ 9
9 < x < 12
12 < x < 15
a-1. Construct the frequency distribution, the cumulative frequency distribution, and the cumulative relative frequency distribution
(Round "Cumulative Relative Frequency" answers to 2 decimal places.)
0.28
0.40
0.26
0.02
Vacancy Rate (%) Frequency
0<x<3
3< x≤6
6<x59
9< x≤ 12.
12<x<15
Number of cities
Cumulative
Frequency
Cumulative
Relative
Frequency
a-2. How many of the cities had a vacancy rate of more than 6% but no more than 9%?
a-3. How many of the cities had a vacancy rate of 9% or less?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe5f5f862-a2d1-4362-b18a-d6c587e08392%2F6776cf8d-f8a7-4fce-ad16-e85979cabfea%2Fkdduzzs_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Chapter 2 Homework
8
Fifty cities provided information on vacancy rates (in %) in local apartments in the following frequency distribution.
Relative
Frequency
0.04
Vacancy Rate ()
0<x<3
3 < x < 6
6 < x≤ 9
9 < x < 12
12 < x < 15
a-1. Construct the frequency distribution, the cumulative frequency distribution, and the cumulative relative frequency distribution
(Round "Cumulative Relative Frequency" answers to 2 decimal places.)
0.28
0.40
0.26
0.02
Vacancy Rate (%) Frequency
0<x<3
3< x≤6
6<x59
9< x≤ 12.
12<x<15
Number of cities
Cumulative
Frequency
Cumulative
Relative
Frequency
a-2. How many of the cities had a vacancy rate of more than 6% but no more than 9%?
a-3. How many of the cities had a vacancy rate of 9% or less?
![00
8
a-3. How many of the cities had a vacancy rate of 9% or less?
Number of cities
a-4. What proportion of the cities had a vacancy rate of more than 9%? (Round your answer to 2 decimal places.)
Proportion of cities
b. Which statement is correct regarding the shape of the 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...](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe5f5f862-a2d1-4362-b18a-d6c587e08392%2F6776cf8d-f8a7-4fce-ad16-e85979cabfea%2F2tqybtp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:00
8
a-3. How many of the cities had a vacancy rate of 9% or less?
Number of cities
a-4. What proportion of the cities had a vacancy rate of more than 9%? (Round your answer to 2 decimal places.)
Proportion of cities
b. Which statement is correct regarding the shape of the 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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