51. A heatmap represents data in matrix form using
Answer: C. colour intensity
Computer Science Class 10 Unit 4: Data and Analysis MCQs
72 multiple choice questions with the correct answer for each. Tap an option to check yourself, or switch on "Show all answers". This is page 2 of 2.
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52. A bubble chart is similar to a scatter plot but adds a third variable shown by
Answer: B. the size of the bubble
53. Quantitative visualization represents
Answer: A. numerical data
54. Categorical visualization represents data that falls into
Answer: C. distinct categories
55. Temporal visualization displays data that
Answer: B. changes over time
56. Spatial visualization represents data related to
Answer: D. physical locations or spaces
57. Multivariate visualization represents data with
Answer: B. more than two variables
58. Interactive visualization allows users to interact with data through
Answer: C. dashboards and filters
59. Network diagrams, tree maps and word clouds are tools of
Answer: A. information visualization
60. A database is a collection of related data stored in the form of
Answer: D. tables
61. Data in a database is retrieved using
Answer: B. SQL queries
62. The data science life cycle is a(n)
Answer: C. iterative process
63. The first stage of the data science life cycle is
Answer: A. Problem definition
64. In problem definition, KPI stands for
Answer: D. Key Performance Indicator
65. A KPI is
Answer: B. a measurable target to track progress and success
66. In data collection, APIs are
Answer: C. small programs that act like messengers between software
67. API stands for
Answer: A. Application Programming Interface
68. Data cleaning is also called
Answer: D. data preprocessing
69. Which stage ensures a model's accuracy, reliability and compliance with privacy rules?
Answer: C. Model evaluation
70. Which stage sets up the working model in a website, app or database?
Answer: D. Model deployment
71. Partial deployment means the model is
Answer: B. deployed in small steps to test it first
72. Which is the key characteristic of the data cleaning stage?
Answer: A. Error removal and data organisation
About Computer Science Class 10 Unit 4 MCQs (Federal Board)
These 72 Computer Science MCQs cover Class 10 Unit 4: Data and Analysis of the Federal Board (FBISE) SSC-II (Class 10) syllabus. They are SLO-based MCQs as per the new pattern for FBISE exams. Each question has four options and the correct answer is shown, so you can practise for the annual examination and find the topics you still need to revise. The questions are split over 2 pages of 50. Download the Data and Analysis MCQs as a PDF using the button at the top of this page.