ExamVeda
Login
Home

Data Collection and Preprocessing MCQ Questions and Answers | Data Science MCQs

Explore our comprehensive collection of multiple-choice questions (MCQs) on Data Collection and Preprocessing designed to boost your confidence and knowledge in data science. These data science MCQs are essential for data science job interviews and exams. Page-4 section-1

Each section contains 100 MCQs on Data Collection and Preprocessing .
31
What is the term for the process of reducing the dimensionality of data while retaining its most important features?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
32
Which data collection method involves the collection of data at regular intervals over a period of time?
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
33
What does the acronym "ETL" stand for in the context of data preprocessing and integration?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
34
In data preprocessing, what is the process of converting data values into a standard format to remove noise and variations?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
35
Which data collection method involves manipulating one or more variables to observe their effects on other variables?
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
36
What is the purpose of data sampling in data collection?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
37
What is the term for data that is collected from a single source at a specific point in time?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
38
Which data preprocessing step involves checking for and handling duplicate records in a dataset?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
39
What is the primary goal of data preprocessing in the context of machine learning?
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
40
What is the term for the process of organizing and storing data in a structured format that enables efficient retrieval?
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board