The system will generate unique codes for all 4,000 survey recipients. Explain your coding system, how you know it has the fewest possible characters, and how it achieves the objectives above.
In your research, you come across a different software that permits the use of letters A-D (not case-sensitive) and digits 2-7 when generating codes to assign to survey respondents.
Design a simple coding system (i.e. with the fewest possible characters) that accommodates all 4,000 survey recipients satisfying the following requirements:
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The system has one character that indicates education level. The options on the survey include some high school, high school diploma or equivalent, associates degree, bachelors degree, or graduate degree.
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The system has one character that indicates whether or not the recipient intends to vote for the candidate.
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Of the remaining characters, at least one must be a letter.
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The system will generate unique codes for all 4,000 survey recipients.
Explain your coding system, how you know it has the fewest possible characters, and how it achieves the objectives above.
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