1 What is data science mainly concerned with? A Writing computer games B Extracting knowledge from data C Repairing hardware D Designing websites
2 Which of the following best defines data? A Processed information B Unorganized facts and figures C Final reports D Computer programs
3 Which field combines statistics, programming, and domain knowledge? A Networking B Web development C Data science D Cyber security
4 What is the first stage of the data science life cycle? A Data visualization B Data collection C Model deployment D Data cleaning
5 Which stage involves removing errors and inconsistencies from data? A Data collection B Data cleaning C Data visualization D Data storage
6 What is data visualization? A Storing data in files B Representing data in graphical form C Deleting unwanted data D Writing algorithms
7 Which of the following is a data visualization tool? A Spreadsheet charts B Compiler C Antivirus D Text editor
8 Why is data visualization important? A It increases storage size B It makes data easier to understand C It deletes duplicate data D It hides information
10 Which chart is commonly used to compare categories? A Line chart B Bar chart C Scatter plot D Histogram
12 What is the main goal of data analysis? A To design hardware B To find patterns and insights C To type documents D To send emails
13 Which stage comes after data collection? A Data cleaning B Data visualization C Deployment D Decision making
14 Which stage involves interpreting results? A Data collection B Data cleaning C Data analysis D Data storage
15 Which of the following is an example of data? A Student marks list B Final report C Decision D Conclusion
16 What type of data is represented using numbers? A Qualitative data B Quantitative data C Text data D Image data
17 What does qualitative data describe? A Numbers only B Measurements C Qualities or characteristics D Calculations
18 Which visualization helps identify relationships between variables? A Pie chart B Bar chart C Scatter plot D Table
19 Which step converts raw data into useful information? A Data cleaning B Data analysis C Data storage D Data collection
20 What is the final stage of the data science life cycle? A Data collection B Data cleaning C Decision making or deployment D Data visualization
21 Which skill is essential for a data scientist? A Drawing skills B Statistical analysis C Hardware repair D Typing speed
22 What does data collection involve? A Presenting data in charts B Gathering raw data from sources C Deleting data D Printing reports
24 Why is data cleaning necessary? A To add errors B To improve data quality C To increase file size D To slow processing
25 Which visualization is best for showing frequency distribution? A Histogram B Pie chart C Line chart D Map
26 What does a bar chart display? A Trends over time B Categories and values C Geographic data D Random data
27 Which step helps stakeholders understand results easily? A Data visualization B Data collection C Data cleaning D Data storage
28 Which software is commonly used for basic data visualization? A Spreadsheet software B Operating system C Antivirus software D Compiler
29 What is meant by data analysis? A Collecting data B Storing data C Examining data to draw conclusions D Deleting data
30 Which of the following is not a stage of data science life cycle? A Data collection B Data cleaning C Hardware installation D Data analysis
32 Which data type is based on categories like colors or names? A Quantitative B Numerical C Qualitative D Statistical
33 What is the purpose of decision making in data science? A To collect more data B To take actions based on insights C To clean data D To visualize data
34 Which visualization is best for comparing percentages? A Pie chart B Line chart C Scatter plot D Histogram
35 What kind of chart uses dots to show data points? A Bar chart B Line chart C Scatter plot D Pie chart
36 Which stage focuses on presenting findings? A Data cleaning B Data visualization C Data collection D Data storage
38 Which life cycle stage checks data accuracy? A Data collection B Data cleaning C Data visualization D Decision making
40 What is the main benefit of data science? A Increased typing speed B Better decision making C More storage usage D Hardware improvement
41 Which stage uses charts and graphs? A Data cleaning B Data visualization C Data collection D Data storage
42 Which data science step comes just before decision making? A Data visualization B Data collection C Data cleaning D Data storage
43 What helps users quickly grasp complex data? A Raw tables B Long text C Data visualization D Manual calculations
44 What is Data Science? A The art of drawing pictures on a computer. B The process of building computer hardware. C The study of data to find useful information and patterns. D The process of creating animations and games.
45 Which of the following is a common way to visually represent data? A Writing a long paragraph. B Creating a bar chart. C Recording an audio file. D Sending a text message.
46 What is often the first step in the Data Science Life Cycle? A Data Acquisition (getting the data). B Building a website for the data. C Selling the final results. D Presenting the conclusion.
47 What is the main purpose of Data Visualization? A To make data more complicated. B To hide the important facts in data. C To use as many colors as possible. D To help understand trends and patterns easily.
48 The process of cleaning and organizing raw data to make it suitable for analysis is called: A Data Deletion. B Data Preparation. C Data Guessing. D Data Hiding.
49 What is the main role of a data scientist? A To repair computer hardware. B To design computer motherboards. C To analyze data and find useful insights. D To manage the school's computer lab.
50 Which chart is best for showing parts of a whole, like the percentage of students who like different fruits? A Line chart B Scatter plot C Flowchart D Pie chart
51 A map showing the population in different cities of a country is an example of: A Data Visualization. B A text document. C A computer program. D A spreadsheet formula.
52 In which stage of the data science life cycle are models built to find patterns? A Data Analysis B Data Collection C Problem Definition D Data Deletion
53 What does 'data' mean in the context of data science? A Only pictures and videos. B A collection of facts, such as numbers, words, or measurements. C Only the software on a computer. D The physical parts of a computer like the mouse and keyboard.
54 What is the final stage of the data science life cycle where the results are shared with others? A Data Acquisition B Data Preparation C Communication / Visualization D Asking a question
55 Data that has been collected but has not been processed or cleaned is called: A Final Data B Clean Data C Useful Data D Raw Data
56 What is Data Science mainly about? A Getting knowledge and insights from data. B Creating computer hardware. C Designing websites. D Writing computer programs only.
57 Which of the following is the first step in the Data Science Life Cycle? A Building a model. B Collecting data. C Visualizing data. D Cleaning data.
58 What is the main purpose of Data Visualization? A To store data in a database. B To make the computer run faster. C To represent data graphically for easy understanding. D To write complex algorithms.
59 Which of these is a common type of chart used for data visualization? A A text document. B An audio file. C A computer program. D A bar chart.
60 The process of removing errors and inconsistencies from data is called? A Data Cleaning. B Data Collection. C Data Modeling. D Data Visualization.
61 What is the ultimate goal of analyzing data in data science? A To create colourful charts. B To make better decisions. C To collect as much data as possible. D To write long reports.
62 A chart that shows data as a circle divided into slices is called a...? A Line graph. B Bar chart. C Pie chart. D Flowchart.
63 Which stage of the Data Science Life Cycle involves presenting the findings to others? A Data Acquisition. B Data Preparation. C Model Building. D Communication.