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WorksheetsData Science Quiz1
Total questions: 20
Worksheet time: 10mins
Which of the following best defines Data Science?
a) The study of structured data only
b) The process of collecting, analyzing, and interpreting large amounts of data to gain insights
c) The use of hardware components to store data
d) A subset of computer networking
Which of these is NOT a component of Data Science?
a) Data Engineering
b) Data Visualization
c) Web Designing
d) Statistical Analysis
Which of the following is NOT a core skill for a Data Engineer?
a) Database Management
b) Data Warehousing
Data Analysis
Graphic Design
Which tool is commonly used for data visualization?
SQL Server only
MS Word
Photoshop
Tableau
Why are communication skills important in data science?
a) To create new programming languages
b) To explain insights effectively to non-technical stakeholders
c) To write essays
d) To debug code only
Which of the following is true about Python in data science?
a) Python is not widely used for data science
b) Python has libraries like NumPy and Pandas for data manipulation
c) Python cannot handle large datasets
d) Python is a database management system
What will be the output of the expression x = 5 + 3?
5+3
8
'5+3'
Error
What will len("Data") return in Python?
3
4
5
6
Which statistical measure represents the middle value of a dataset?
Mean
Median
Mode
Range
Which type of data analysis focuses on predicting future trends?
a) Descriptive analysis
b) Diagnostic analysis
c) Predictive analysis
d) Prescriptive analysis
Business Intelligence mainly focuses on:
a) Analyzing past data to support decision-making
b) Only collecting raw data without analysis
c) Creating operating systems
d) Making computer hardware
Which of the following is a valid Python variable name?
a) 1variable
b) data_value
c) data-value
d) class
What is the data type of the value returned by input() function in Python 3?
Integer
String
Float
Boolean
What is the output of 5 // 2 in Python?
2.5
2.0
2
1
Which of the following is true about Python tuples?
a) Tuples are mutable
b) Tuples are immutable
c) Tuples cannot store strings
d) Tuples can be modified after creation
Which function converts a string to uppercase in Python?
a) toUpperCase()
b)upper
c) uppercase()
d) upcase()
What is the output of "data science". Replace("data", "AI")?
a) AI science
b) data science
c) AI data science
d) science AI
What is the output of " ".join(['Python', 'is', 'fun'])?
a) ['Python is fun']
b) Python is fun
c) Pythonisfun
d) ['Python', 'is', 'fun']
What is the output of "bananaa".count("a")?
1
2
3
4
What does "hello".find("e") return?
0
-1
2
1
