6.4.3 - Validation of results
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Practice Questions
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What is the purpose of validation tests?
💡 Hint: Think about the consequences of using wrong data.
Name one type of validation test.
💡 Hint: Recall the methods we discussed in class.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the first step in the validation process?
💡 Hint: Think about verifying data through direct observation.
True or False: Logical checks are unnecessary if computational checks are conducted.
💡 Hint: Consider what each type of check aims to achieve.
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Challenge Problems
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You have collected travel data from a survey indicating a standard household size of '2'. Upon checking, you find a record showing three adults traveling. How would you apply logical checks to clarify this discrepancy, and what steps would you take?
💡 Hint: Consider what factors might lead to discrepancies in reported travel.
You discover that during the computational check, an entry lists a household member's age as '101'. What process would you follow to ensure the data's validity?
💡 Hint: Think about how often extreme values should prompt a review.
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