Jitendra Singh

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

Chapter 1 Use Of Statistics In Data Science Class 10 Questions and Answers   1. Which is a more accurate measure of central tendency when there are outliers in the data set? a) Mean b) Median   Answer- b) Median   2. Mean absolute deviation is an identifier of the variability of the data set. … Read more

Ethics in Data Science Class 9 Questions and Answer   Objective Type Questions 1. We need policies to discourage unethical use of data a) Yes b) No   Answer- a) Yes   2. You take some data for research from few users, Is it ethical to share the results back to the participants a) Yes … Read more

Data Visualizations Class 9 Questions and Answers Objective Type Questions 1. Data can be visualized using: a) Graphs b) Maps c) Charts d) All of the above   Answer- d) All of the above   2. Which of the following statements is false? a) Data visualization can absorb information quickly. b) Data visualization decreases the … Read more

Arranging and Collecting Data Class 9 Questions and Answers Objective Type Questions   1. A school named ABC has recorded the total marks of every student in the class. This is an example of: a) Qualitative data b) Quantitative data c) Both qualitative and quantitative data d) None of the above   Answer- b) Quantitative … Read more