Fifty cities provided information on vacancy rates (in %) in local apartments in the following frequency distribution. Relative Vacancy Rate (%) Frequency 0 ≤ x ≤ 3 3 ≤ x < 6 6 ≤ x ≤ 9 0.38 0.30 0.14 9 ≤ x < 12 12 ≤ x < 15 0.10 0.08 a-1. Construct the frequency distribution. Vacancy Rate (%) Frequency 0≤x≤3 3≤ x ≤6 6≤ x<9 9≤ x ≤12 12 ≤ x < 15 a-2. How many of the cities had a vacancy rate of at least 6% but less than 9%? Number of cities a-3. How many of the cities had a vacancy rate of at least 9%? Number of cities b. Which statement is correct regarding the shape of the distribution using a histogram? O The distribution is positively skewed. O The distribution is relatively symmetric. O The distribution is negatively skewed. Symmetry or skewness cannot be determined with the available information..

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
Section: Chapter Questions
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Fifty cities provided information on vacancy rates (in %) in local apartments in the following frequency distribution.
Relative
Vacancy Rate (%)
Frequency
0 ≤ x ≤ 3
3 ≤ x < 6
6 ≤ x ≤ 9
0.38
0.30
0.14
9 ≤ x < 12
12 ≤ x < 15
0.10
0.08
a-1. Construct the frequency distribution.
Vacancy Rate (%)
Frequency
0≤x≤3
3≤ x ≤6
6≤ x<9
9≤ x ≤12
12 ≤ x < 15
a-2. How many of the cities had a vacancy rate of at least 6% but less than 9%?
Number of cities
a-3. How many of the cities had a vacancy rate of at least 9%?
Number of cities
b. Which statement is correct regarding the shape of the distribution using a histogram?
O The distribution is positively skewed.
O The distribution is relatively symmetric.
O The distribution is negatively skewed.
Symmetry or skewness cannot be determined with the available information..
Transcribed Image Text:Fifty cities provided information on vacancy rates (in %) in local apartments in the following frequency distribution. Relative Vacancy Rate (%) Frequency 0 ≤ x ≤ 3 3 ≤ x < 6 6 ≤ x ≤ 9 0.38 0.30 0.14 9 ≤ x < 12 12 ≤ x < 15 0.10 0.08 a-1. Construct the frequency distribution. Vacancy Rate (%) Frequency 0≤x≤3 3≤ x ≤6 6≤ x<9 9≤ x ≤12 12 ≤ x < 15 a-2. How many of the cities had a vacancy rate of at least 6% but less than 9%? Number of cities a-3. How many of the cities had a vacancy rate of at least 9%? Number of cities b. Which statement is correct regarding the shape of the distribution using a histogram? O The distribution is positively skewed. O The distribution is relatively symmetric. O The distribution is negatively skewed. Symmetry or skewness cannot be determined with the available information..
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