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ata was collected for 180 randomly selected 10 minute intervals. For each ten-minute interval, the number of people entering the atrium of a large mall were recorded. The data is summarized in the table below. Number of Guests Frequency 60 - 69 17 70 - 79 80-89 90 - 99 38 100-109 55 What is the class width for this GFDT? 42 28

ata was collected for 180 randomly selected 10 minute intervals. For each ten-minute interval, the number of people entering the atrium of a large mall were recorded. The data is summarized in the table below. Number of Guests Frequency 60 - 69 17 70 - 79 80-89 90 - 99 38 100-109 55 What is the class width for this GFDT? 42 28

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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### Data on Entrances to Mall Atrium Data was collected for 180 randomly selected 10-minute intervals. For each ten-minute interval, the number of people entering the atrium of a large mall were recorded. The data is summarized in the table below: | Number of Guests | Frequency | |------------------|-----------| | 60 - 69 | 17 | | 70 - 79 | 42 | | 80 - 89 | 28 | | 90 - 99 | 38 | | 100 - 109 | 55 | #### Interpreting the Table The table above shows the number of guests entering the mall atrium grouped into different ranges (classes) of guests and their corresponding frequencies. 1. **Class 60-69:** There were 17 intervals where the number of guests entering the atrium was between 60 and 69. 2. **Class 70-79:** There were 42 intervals where the number of guests entering the atrium was between 70 and 79. 3. **Class 80-89:** There were 28 intervals where the number of guests entering the atrium was between 80 and 89. 4. **Class 90-99:** There were 38 intervals where the number of guests entering the atrium was between 90 and 99. 5. **Class 100-109:** There were 55 intervals where the number of guests entering the atrium was between 100 and 109. #### Understanding Class Width **What is the class width for this GFDT?** Class width is the difference between the upper limit of a class and the lower limit of the same class. In this case: - The class width = \(109 \, \text{(or upper limit of last class)} - 60 \, \text{(or lower limit of first class)} = 10\) Therefore, the class width for this GFDT (Grouped Frequency Distribution Table) is **10**. *If you have any questions or need further assistance, please **[message the instructor](#)**.* --- *[Submit Question]*
Transcribed Image Text:### Data on Entrances to Mall Atrium Data was collected for 180 randomly selected 10-minute intervals. For each ten-minute interval, the number of people entering the atrium of a large mall were recorded. The data is summarized in the table below: | Number of Guests | Frequency | |------------------|-----------| | 60 - 69 | 17 | | 70 - 79 | 42 | | 80 - 89 | 28 | | 90 - 99 | 38 | | 100 - 109 | 55 | #### Interpreting the Table The table above shows the number of guests entering the mall atrium grouped into different ranges (classes) of guests and their corresponding frequencies. 1. **Class 60-69:** There were 17 intervals where the number of guests entering the atrium was between 60 and 69. 2. **Class 70-79:** There were 42 intervals where the number of guests entering the atrium was between 70 and 79. 3. **Class 80-89:** There were 28 intervals where the number of guests entering the atrium was between 80 and 89. 4. **Class 90-99:** There were 38 intervals where the number of guests entering the atrium was between 90 and 99. 5. **Class 100-109:** There were 55 intervals where the number of guests entering the atrium was between 100 and 109. #### Understanding Class Width **What is the class width for this GFDT?** Class width is the difference between the upper limit of a class and the lower limit of the same class. In this case: - The class width = \(109 \, \text{(or upper limit of last class)} - 60 \, \text{(or lower limit of first class)} = 10\) Therefore, the class width for this GFDT (Grouped Frequency Distribution Table) is **10**. *If you have any questions or need further assistance, please **[message the instructor](#)**.* --- *[Submit Question]*
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