Practice Data Correction (6.4.1) - Data Collection - Transportation Engineering - Vol 1

Practice: Data Correction

Lesson 6.4.1Data Collection

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9 questions

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4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is household size correction?
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Think about how sample size affects overall data integrity.
Question 2.
Why is socio-demographic correction necessary?
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Consider the importance of demographics in understanding travel patterns.
3Question 3.
What is the first step in correcting household size in your survey data?
- Adjust according to survey data
- Consult census data
- Ignore discrepancies
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What reliable source do we use for average sizes?
4Question 4.
True or False: Non-reported trips should not be corrected because they are not mandatory.
- True
- False
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Consider what types of trips people usually forget to mention.
Question 5.
Given a sample where the average household size reported is 5, but census data shows an average of 3, explain how you would adjust the data and calculate the new size for each household surveyed.
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Focus on the correction ratio based on average size differences.
Question 6.
If data analysis indicated that 30% of households reported fewer trips than previous census data indicated, what method would you employ to correct for this underreporting?
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Look at previous data trends and how they relate to your survey sample.

5 more questions in this section. Enroll free to practise them all.