Add NLP 5 pre-quiz

pull/73/head
Ornella Altunyan 4 years ago
parent f5d892c05f
commit c55b1935e1

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

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