CS-IT-IP-AI and Data Science Notes, QNA for Class 9 to 12
Classification Algorithms II Class 12 Questions Answers Objective Type Questions 1. What are K-Nearest Neighbors used for? a) Regression b) Classification c) Both of the above d) None of the above Answer: c) Both of the above 2. Which of the following statement is false? a) K-Nearest Neighbors uses proximity for prediction. b) K-Nearest … Read more
Classification Algorithms I Class 12 Questions and Answer Objective Type Questions 1. Which of the following are parts of a Decision Tree? a) Decision Node b) Leaf Node c) Branch d) All of the above Answer: d) All of the above 2. Which of the following statement is false? a) Decision Trees … Read more
Exploratory Data Analysis Class 12 Questions and Answers Objective Type Questions Please choose the correct option in the questions below. 1. You need to check the relationship between the two variables. Which graph would you use? a) Histogram b) Pair plot c) Box plot d) None of the above Answer: b) Pair plot 2. … Read more
Data Governance Class 12 Questions and Answers Objective Type Questions 1. Which of the following statements is true? a) Data governance helps in effective data management. b) Ethical guidelines must be well-defined in any organization dealing with lots of data c) Data privacy is only about secure data storage d) Transparency is an important … Read more
Introduction to R Studio Class 11 Questions and Answer Objective Type Questions 1. R is an ______________ programming language? a) Closed source b) GPL c) Open source d) Definite source Answer: c) Open source 2. How many types of R objects are present in R data type? a) 4 b) 5 c) 6 d) … Read more
Randomization Class 11 Questions and Answers Objective Type Questions 1. Which of the following statement is false? a) Yes/No is an example of close ended question in a survey. b) A rating scale of 1 – 10 is an example of close ended question in a survey. c) A multiple-choice option is an example of … Read more
Forecasting on Data Class 11 Questions and Answer Objective Type Questions 1. In forecasting, past and present data are used to predict the future as accurately as possible. a) The above statement is always true. b) The above statement is never true. c) The above statement is sometimes true. d) None of the above. … Read more
Assessing Data Class 11 Questions and Answer 1. Which of the following is incorrect about a story? a) A story generally consists of one or more character(s) b) A story represents the point of view of a person c) A story has a theme associated with it d) Things revealed in a story are … Read more
Ethics in Data Science Class 11 Questions and Answers Objective Type Questions 1. A person runs a small business and keeps all his/her business records on an unprotected personal computer. These records include essential information about his/her customers. Since it is a small business, that person believes that he/she is unlikely to be a target … Read more
Chapter 2 Distributions In Data Science Class 10 Questions and Answers Objective Type Questions 1. If a card is chosen from a standard deck of cards, what is the probability of getting a five or a seven? a) 4/52 b) 1/26 c) 8/52 d) 1/169 Answer- c) 8/52 2. Which of the following is the … Read more