What is the term for the process of cleaning and organizing data into a structured format suitable for analysis?
Anonymous Quiz
62%
Data Transformation
19%
Data Visualization
19%
Data Aggregation
0%
Data Extraction
Which library in Python is commonly used for data manipulation and analysis in Data Science?
Anonymous Quiz
68%
Pandas
9%
Matplotlib
14%
Scikit-Learn
9%
TensorFlow
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هذا الاختبار يحتوي على أسئلة في مادة أساسيات علم البيانات
إعداد : حازم الحذيفي
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إعداد : حازم الحذيفي
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Quiz Directory
أسئلة في مادة أساسيات علم البيانات
هذا الاختبار يحتوي على أسئلة في مادة أساسيات علم البيانات إعداد : حازم الحذيفي بالتوفيق للجميع؛؛ / 30 questions
Which of the following is NOT a common data visualization tool or library used in Data Science?
Anonymous Quiz
25%
Tableau
11%
Seaborn
14%
Power BI
50%
Excel
What is the primary focus of the Business Understanding phase in the CRISP-DM process?
Anonymous Quiz
19%
Data cleaning and transformation
62%
Understanding project objectives and the business context
10%
Building predictive models
10%
Evaluating model performance
In the Data Preparation phase, what is one of the main tasks?
Anonymous Quiz
45%
Cleaning and transforming data
20%
Deploying the model
15%
Evaluating model performance
20%
Understanding data types
What does the Modeling phase involve?
Anonymous Quiz
23%
Collecting and exploring data
9%
Evaluating the models effectiveness
27%
Deploying the model into a production environment
41%
Applying various modeling techniques to build predictive models
What is a key activity in the Deployment phase?
Anonymous Quiz
32%
Data exploration
14%
Feature selection
50%
Technical integration of the model
5%
Handling missing values
During which phase is the final model evaluated for its effectiveness?
Anonymous Quiz
33%
Business Understanding
24%
Data Preparation
10%
Evaluation
33%
Deployment
What is the main objective of the Evaluation phase in the CRISP-DM process?
Anonymous Quiz
5%
To deploy the model into production
71%
To assess whether the model meets business objectives
10%
To collect new data
14%
To clean the data
What is a key activity during the Deployment phase?
Anonymous Quiz
17%
Assessing the models response time
9%
Cleaning the data
35%
Evaluating model accuracy
39%
Splitting the dataset into training and test sets.
Which phase involves transforming data to address outliers?
Anonymous Quiz
21%
Data Understanding
17%
Business Understanding
21%
Modeling
42%
Data Preparation
What is the first step in the CRISP-DM process?
Anonymous Quiz
15%
Evaluation
50%
Business Understanding
15%
Modeling
19%
Data Preparation
What does the term modeling techniques refer to in the CRISP-DM process?
Anonymous Quiz
17%
Tools for evaluating model performance
58%
Algorithms used to build predictive models
13%
Methods for collecting data
13%
Approaches for cleaning data
Why is it important to split the dataset into training and test sets during the Modeling phase?
Anonymous Quiz
12%
To explore data types
32%
To clean the data
56%
To assess model performance on unseen data
0%
To deploy the model
In which phase would you handle missing values in the dataset?
Anonymous Quiz
22%
Data Cleaning
19%
Data preparation
19%
Data Understanding
41%
All of above
In which phase would you handle missing values in the dataset?
Anonymous Quiz
50%
Data Cleaning
28%
Business Understanding
3%
Deployment
19%
Modeling
Which of the following is one of the challenges make the big data is hard to extract value from it ?
Anonymous Quiz
7%
Volume
17%
Velocity
27%
Variety and Complexity
50%
All of above
Which of the following is a type of semi-structured data?
Anonymous Quiz
48%
XML
10%
RDF
21%
OLAP
21%
HTML
..... is any data that is expensive to manage and hard to extract value from.
Anonymous Quiz
10%
Data Science
63%
Big Data
13%
Structure Data
13%
All of above
........... is a collection of techniques used to extract value from data.
Anonymous Quiz
22%
Database
19%
Unstructured Data
56%
Data Science
4%
Data Scientist