Data Processing — Important Questions
ICSE · Class 11 · Artificial Intelligence
65 important questions from Data Processing for ICSE Class 11 Artificial Intelligence, with answers. Includes multiple choice, multiple correct and true.
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Important Questions from Data Processing
Which of the following is a type of dirty data?
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Missing values, Outliers, Duplicates
Missing values, outliers, and duplicates are all types of dirty data because they can reduce quality and affect analysis.
Which of these can be a cause of an outlier?
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A typo, Exceptional circumstances
Outliers may happen because of typing mistakes or because of exceptional circumstances that truly produce extreme values.
Why are duplicate data entries a problem in analysis?
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They can overrepresent one entry and lead to the wrong conclusion
Duplicates can give too much importance to one record, which may distort analysis and conclusions.
Which of the following can be an example of erroneous data?
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Wrong spelling for a customer's name
Erroneous data contains wrong values such as spelling mistakes, wrong product numbers, outdated details, or incorrectly labelled data.
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