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Question
The demand of different shirt sizes, as obtained by a survey, is given below:
| Size | 38 | 39 | 40 | 41 | 42 | 43 | 44 |
| Number of Persons using it |
26 | 37 | 20 | 15 | 13 | 7 | 5 |
Find the modal shirt sizes as observed from the survey.
Sum
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Solution
To find the modal shirt size, we need to identify the size that has the highest frequency the one used by the most number of persons.
Data Analysis
From the table provided, let’s look at the “Number of Persons using it” for each size:
| Shirt Size | Number of persons (Frequency) |
| 38 | 26 |
| 39 | 37 |
| 40 | 20 |
| 41 | 15 |
| 42 | 13 |
| 43 | 7 |
| 44 | 5 |
Maximum frequency: The highest number of persons is 37.
Corresponding size: The shirt size that corresponds to this frequency is 39.
Therefore, the modal shirt size as observed from the survey is 39.
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