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@ -2151,48 +2151,48 @@
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"title": "NLP 5: Pre-Lecture Quiz",
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"quiz": [
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{
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"questionText": "q1",
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"questionText": "Why is it important to clean data before analyzing it?",
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"answerOptions": [
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{
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"answerText": "a",
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"answerText": "Some columns might have missing or incorrect data",
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"isCorrect": "false"
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},
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{
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"answerText": "b",
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"isCorrect": "true"
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"answerText": "Messy data can lead to false conclusions about the dataset",
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"isCorrect": "false"
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},
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{
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"answerText": "c",
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"isCorrect": "false"
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"answerText": "Both of the above",
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"isCorrect": "true"
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}
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]
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},
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{
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"questionText": "q2",
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"questionText": "What is one example of a strategy for cleaning data?",
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"answerOptions": [
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{
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"answerText": "a",
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"answerText": "removing columns/rows that aren't useful for answering a specific question",
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"isCorrect": "true"
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},
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{
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"answerText": "b",
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"answerText": "getting rid of verified values that don't fit your hypothesis",
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"isCorrect": "false"
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},
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{
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"answerText": "moving the outliers to a separate table and running the calculations for that table to see if they match",
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"isCorrect": "false"
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}
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]
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},
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{
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"questionText": "q3",
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"questionText": "It can be useful to categorize data using a Tag column.",
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"answerOptions": [
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{
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"answerText": "a",
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"isCorrect": "false"
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},
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{
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"answerText": "b",
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"answerText": "true",
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"isCorrect": "true"
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},
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{
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"answerText": "c",
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"answerText": "false",
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"isCorrect": "false"
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}
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]
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