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COURSE : B.Tech Minor and Honour degree, Q.NO, , 1, 2, , LEVEL, , SEM: I, , QUESTION, , Remember Data science is the process of diverse set of data through ?, , SUBJECT NAME: Introduction to Data Science, A, , A. organizing data, , B, B. processing data, , C, , D, , C. analysing data, , D.All of the above, , Understand Which of the following language is used in Data science?, , A. C, , B. C++, , C. R, , D. Ruby, , Understand, , A. Subsetting can be, used to select and, exclude variables, and observations, , B. Raw data should be processed, only one time., , C. Merging concerns, combining datasets on the, same observations to, produce a result with more, variables, , D.None Of the above, , A. utilize large data, sets to gather, information that, meets their, company's needs, , B. work with businesses toC., determine the best usage of the, information yielded from data, , 3, , Which of the following is false?, , Remember, 4, , What is the work of Data Architect?, , Remember, 5, , Which of the following is correct skills for a Data Scientist?, , Which of the following is not a part of data science process?, , C. build data solutions that, are optimized for, performance and design, applications, , A. Probability &, Statist, ics, , B. Machine Learning / Deep, Learning, , C. Data Wrangling, , A. Discovery, , B. Model Planning, , C. Communication Building, , 6, , Remember, , 7, , Understand Which of the following are the Data Sources in data science? A. Structured, , B. UnStructured, , D. All of the above, , D, , C. Both A and B, C. Online Price Comparison, Pr, , D.Operationalize, D. None Of the above, , A. 1, , B. 2, , C. 3, , D. 4, , 10, , Remember A column is a ________ representation of data., , A. horizontal, , B. diagonal, , C. vertical, , D. top, , 11, , Remember A ________ is a structured representation of data., , A.database table, , B., , functions, , C., , data prepration, , D., , data frame, , 12, , Understand Which of the following is the common goal of statistical, modelling?, , A. Inference, , B., , Summarizing, , C., , Subsetting, , D., , None of the above, , 13, , Remember Causal analysis is commonly applied to census data., , A.True, , B., , False, , C., , Can be true or false, , D., , Can not say, , 14, , Understand Which of the following model is usually a gold standard for, data analysis?, , A.Inferential, , B., , Descriptive, , C., , Causal, , D., , All of the above, , 15, , Understand Which of the following step is performed by data scientist, after acquiring the data?, , A.Data Cleaning, , B., , Data Integration, , C., , Data Replication, , D., , All of the above, , 9, , C, , C, , Remember Data can be categorized into ______ groups., , 8, , D, , D. All of the above, , B. Image & Speech Recognition, , Which of the following is not a application for data science?, , ANSWER, , B, , A. Recommendation, Syste, ms, , Understand, , E, , C, C, , D. Pr ivacy Checker, D, , B, C, D, A, B, C, A

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16, , Remember Which of the following focuses on the discovery of, (previously) unknown properties on the data?, , A.Data mining, , B., , Remember, , A.Large Amount of, Domain Knowledge, Required, , B., B.Arbitrary Data May, Yield Unexpected Results, B., , A.Gaussian, Distribution, , 17, , 18, 19, 20, , Disadvantages of Data Science are _______., , Remember, Understand, Understand, Remember, , 21, , D., , Machine Learning, , C., C.Data Science is, Blurry Term, , D., , D.All of the above, , B.frequency data, , C., , D., , D.None of the above, , B., , B.Class Distribution, , C., C.Permanent, Distribution, , D., , D.None of the above, , A.Open-source, , B., , B.Analytical support, , C., C.Supports, extensions, , D., , D.All of the above, , A.Finding the, question which is to, be answered, , (B). Finding only one solution, for a specific problem, , (C). Finding out the answer, from the dataset without, enquiring any question, , (D). None of these, , A.True, , b) False, , A.Data Science for, Medical Imaging, , B., B.Data Science for, Genomics, , C., C.Drug Discovery, with Data Science, , D., , D.All of the above, , Data that summarize all observations in a category are called A.summarized data, __________ ., Normal Distribution is also known as_______., Features of R are ________., Which of the following approach should be trying to ask a, Data Analysis question?, , BigData, , C., , Data wrangling, , C.Both A and B, , D, , Remember Base graphics are used most commonly for creating 2D, graphics., , 23, , Remember The data science applications in healthcare are _______., , 24, , Understand Which of the following approach should be used if you can’t A.generalize it, fix the variable?, , B., , B.randomize it, , C., , C.non stratify it, , D., , D.None of the above, , 25, , Understand ______ gives information about top level data, , A.Head, , B., , B.Tail, , C., , C.Both A and B, , D., , D.None of the above, , Remember, , A.Command Line, Intercom, , B., B.Command Line, Interface, , C., C.Command, Language Interface, , D., , D.None of the above, , A.Data bagging, , B., , C., , D., , Data snooping, , A.Minimize errors, , b) Minimize false positives, , c) Minimize false negatives, , d) All of the mentioned, , C., , .Data dredging, , D., , .None of the above, , Measure variability, , D., , All of the above, None of the mentione, , CLI stands for ________., , Remember Data dredging, is also known as __________., , 28, , Remember, , 29, , Understand Data fishing is sometimes referred to as __________., , A.Data bagging, , B., , 30, , Understand ________ is a good way of performing experiments in data, science., , A.Have Replication, , B., Generalize to the, problem, , C., , Remember, , A.Descriptive, analysis is first kind, of data analysis, performed, , b), Descriptions can be, generalized without statistical, modelling, , c), Description and, Interpretation are same in, descriptive analysis, , d), , A.Inferential, , b), , c), , d), None of the, mentioned, , b), Exploratory models are, useful for discovering new, connection, , c), Exploratory analysis, alone should not be used for, predicting, , d), , b), , c), , d), , 31, , 32, , Point out the correct statement., , Remember Which of the following allows you to find the relationship, you didn’t about?, , 33, , Remember Point out the wrong statement., , A.Exploratory, analyses are usually, the final way, , 34, , Understand Which of the following is the common goal of statistical, , A.Inference, , Data merging, , Exploratory, , Summarizing, , A, D, , A, , 27, , What is the purpose of multiple testing in statistical, inference?, , Data merging, , A, , A, , 22, , 26, , A, , Data booting, , Causal, , Subsetting, , D, B, A, B, D, D, C, D, , B, , B, , All of the mentioned, A, None of the, , A

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modelling?, A.Inferential, , b), , Descriptive, , c), , Causal, , d), , All of the mentioned, , Understand What will be output for the following code?, v <- TRUE, print(class(v)), , A.logical, , B., , Numeri, , C., , Integer, , D., , Complex, , 37, , Understand In R programming, the very basic data types are the Robjects called?, , A.Lists, , B., , Matrices, , C., , Vectors, , D., , Arrays, , 38, , Remember Data Frames are created using the?, , A.frame() function, , B., , data.frame() function, , C., , data() function, , D., , frame.data() function, , B, , 39, , Remember Which functions gives the count of levels?, , A.level, , B., , levels, , C., , nlevels, , D., , nlevel, , C, , 40, , Remember, , A.sort(), , B., , orderasc(), , C., , orderby(), , D., , sequence(), , A.3 3, , b.3 2, , 41, , Understand What will be the output of the following R code?, m <- matrix(nrow = 2, ncol = 3), , 35, , Remember, , 36, , Which of the following model is usually a gold standard for, data analysis?, , mentioned, , ______ function returns a vector of the same size as x with, the elements arranged in increasing order., , C, , A, , c.2 3, , C, , A, , d.2 2, C, , dim(m), 42, , Understand R has how many atomic classes of objects?, , A.1, , b), , 2, , c), , 3, , d), , 5, , 43, , Remember If you explicitly want an integer, you need to specify the, _____ suffix., , A.D, , b), , R, , c), , L, , d), , K, , 44, , Remember, , A.objects(), , b), , attrib(), , c), , attributes(), , d), , obj(), , 45, , Understand R objects can have attributes, which are like ________ for, the object., , A.metadata, , b), , features, , c), , expression, , d), , dimensions, , 46, , Understand The ________ function can be used to create vectors of, objects by concatenating things together., , A.cp(), , b), , c(), , c), , concat(), , d), , con(), , 47, , Remember A __________ is an R-object which can contain many, different types of elements inside it., , A.Vector, , b), , Lists, , c), , Matrix, , d), , Functions, , 48, , Remember A _________ is a two-dimensional rectangular data set., , A.Vector, , b), , Lists, , c), , Matrix, , d), , Functions, , 49, , Remember, , A.Vector, , b), , Array, , c), , Matrix, , d), , Lists, , 50, , Understand Factors are the r-objects which are created using a, _________, , A.Vector, , b), , Matrix, , c), , Lists, , d), , Array, , 51, , Understand vectors can be one of two types namely atomic vectors and, _______, , A.Matrix, , b), , Vector, , c), , Lists, , d), , Array, , 52, , Remember A data frame is a special type of list where every element of, the list has ______ length., , A.Same, , b), , Different, , c), , May be different, , d), , May be same, , 53, , Remember, , A.Rowname(), , b), , Rownames(), , c), , R.names(), , d), , D.names(), , Attributes of an object (if any) can be accessed using the, ______ function., , Which function takes a dim attribute which creates the, required number of dimensions?, , Data frames can have additional attributes such as, __________, , D, C, C, A, B, B, C, B, A, C, A, B

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54, , Understand Decimal values are referred as ________ data types in R., , A.Numeric, , b), , Character, , c), , Integer, , d), , Lists, , 55, , Understand Which is the basic data structure of R containing the same, type of data?, , A.Functions, , b), , Array, , c), , Vector, , d), , Lists, , 56, , Remember In R using the function, ________ one can check the data, type of vector., , A.Typeof(), , b), , Castof(), , c), , Function(), , d), , C(), , Remember, , A.Matrix, , b), , Vector, , c), , Lists, , d), , Array, , _________are Data frames which contain lists of, homogeneous data in a tabular format., , 57, , Which of the following analysis should come in place of, question mark in the below figure?, 58, , C, A, A, , C, , A.Inferential, , b), , Exploratory, , c), , Causal, , d), None of the, mentioned, , Remember, , A, , Which of the following type of data science question is, missing in the figure?, , A.Correlative, , b), , Exploratory, , c), , Relative, , d), None of the, mentioned, , 59, , Remember, , B, , 60, , Understand Which of the following uses relatively small amount of data, to estimate about bigger population?, , A.Inferential, , b), , Exploratory, , c), , Causal, , d), None of the, mentioned, , A, , 61, , Remember Which of the following analysis helps out to find the effect, of variable change?, , A.Inferential, , b), , Exploratory, , c), , Causal, , d), None of the, mentioned, , C, , Remember Which of the following block information is odd man out?, , A.Subsetting, , b), , Raw data, , c), , Ready for analysis, , d), None of the, mentioned, , 62, , B, , Data that summarize all observations in a category are called A.frequency, __________ data., , 63, , Remember, , 64, , Understand Which of the following is an example of raw data?, , A.original swath, , b), , summarized, , c), , b), , initial time-series file of c), , raw, , d), none of the, mentioned, , B, , a real-time GPS-, , d), , D, , all of the mentioned

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files generated from, a sonar system, , temperature values, , encoded navigation file, , 65, , Understand Processing data includes subsetting, formatting and merging A.True, only., , b), , False, , 66, , Remember Which of the following is another name for raw data?, , A.destination data, , b), , eggy data, , c), , secondary, , d), , Remember Which type of graph is shown in the following figure?, , A.Scatterplot, , b), , Barplot, , c), , Overlaying, , d), None of the, mentioned, , B, machine learning, , 67, , B, , B, , 68, , Remember How many stages commonly occurs in creation of plot?, , A.2, , b), , 5, , 69, , Understand Base graphics are used most commonly for creating 2D, graphics., , A.True, , b), , False, , 70, , Understand Which of the following testing is concerned with making, decisions using data?, , A.Probability, , b), , Hypothesis, , c), , Causal, , d), None of the, mentioned, , 71, , Remember Which of the following value is the most common measure, of “statistical significance”?, , A.P, , b), , A, , c), , L, , d), , All of the mentioned, , 72, , Remember What is the purpose of multiple testing in statistical, inference?, , A.Minimize errors, , b), , Minimize false positives c), Minimize false, negatives, , d), , All of the mentioned, , 73, , Remember, , A.knitr, , b), , jackknife, , c), , ggplot2, , d), , all of the mentioned, , 74, , Understand Data set {brown, black, blue, green , red} is example of, Select one:, , A.Continuous, attribute, , b., , Ordinal attribute, , c., , Numeric attribute, , d., , Nominal attribute, , 75, , Understand Data Visualization in mining cannot be done using Select, one:, , A.Photos, , b., , Graphs, , c., , Charts, , d., , Information Graphics, , Which of the following tool is used for estimating standard, errors and the bias of estimators?, , c), , 8, , d), , All of the mentioned, , A, A, B, A, D, C, D, A