Home › Forums › Assignment NPTEL_ › Python for Data Science › Unit 2 – Week 0, Assignment 0 By Prof. Ragunathan Rengasamy, IIT Madras
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June 26, 2020 at 6:22 am #771Abhishek TyagiKeymaster
Question 1 A coin is thrown 3 times. What is the probability of getting at least one head?
Answer 7/8Question 2 Few computer rooms in the school are denoted by the letters A to C. Staff records the number of classes held in each room during the first term. What kind of graph would be appropriate to present the frequency distributions of these data?
Answer Bar PlotQuestion 3 Calculate the median for the given set of values [16, 1, 8, 7, 20, 22]?
Answer 12Question 4 Which of the following statement(s) is/are TRUE with respect to data?
Answer Data will contain both qualitative and quantitative variablesQuestion 5 The steps involved in data analytics are given in random order. Order the steps correctly.
1Preprocessing the data, 2 Preparing questionnaire, 3 Analysis of the data, 4 Collection of data
Answer 2, 4, 1, 3 .Question 6 Two dice are rolled simultaneously, what is the probability that the product of two numbers obtained is an odd number?
Answer 0.25Question 7 If A and B are two mutually exclusive events, which of the following expressions is correct?
Answer P(A∩B) =0Using the sample data, Data= (1, 5, 8, 9, 5, 2, 3) answer the following questions 8 & 9
Question 8 The range value for the Data is__
Answer 8Question 9 The average value of the Data is__
Answer 4.71Question 10 Which of the following(s) is/are a part of data science?
Answer All of the above (Data visualization, Data exploration, Data cleaning)Question 11 Which of the following programming language(s) is/are popularly used for data science?
Answer R, Python .Question 12 Three unbiased coins are tossed. What is the probability of getting at most two heads?
Answer 7/8Question 13 A dice is rolled twice. What is the probability of getting sum 9?
Answer 1/9Question 14 Which of the following is a parameter in statistics?
Answer a population characteristicQuestion 15 Which of the following divides the number of data points into four quarters?
Answer Quartiles


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