Introduction to data science Archives - Page 5 of 11 - MCQ and Quiz for Exams

41. Which of the following adds all new files to local repository?

git add .

git add -u

git add -A

none of the mentioned

Detailed SolutionWhich of the following adds all new files to local repository?

42. Which of the following command is used to squash the commits?

rebase

squash

boot

all of the mentioned

Detailed SolutionWhich of the following command is used to squash the commits?

43. cp command can be used to copy the content of directories.

TRUE

nan

nan

nan

Detailed Solutioncp command can be used to copy the content of directories.

44. Which of the following is not a step in data analysis?

Obtain the data

Clean the data

EDA

None of the mentioned

Detailed SolutionWhich of the following is not a step in data analysis?

45. Which of the following command allows you to change directory to one level above your parent directory?

cd

cd.

cd..

none of the mentioned

Detailed SolutionWhich of the following command allows you to change directory to one level above your parent directory?

46. Which of the following type of data science question is missing in the figure?

Correlative

Exploratory

Relative

None of the mentioned

Detailed SolutionWhich of the following type of data science question is missing in the figure?

47. Which of the following data mining technique is used to uncover patterns in data?

Data bagging

Data booting

Data merging

Data Dredging

Detailed SolutionWhich of the following data mining technique is used to uncover patterns in data?

48. What is the primary role of a Data Scientist in a business context?

Conducting market research

Developing marketing campaigns

Extracting data from databases

Leveraging data for insights

Detailed SolutionWhat is the primary role of a Data Scientist in a business context?

49. Point out the correct statement.

Descriptive analysis is first kind of data analysis performed

Descriptions can be generalized without statistical modelling

Description and Interpretation are same in descriptive analysis

None of the mentioned

Detailed SolutionPoint out the correct statement.

50. Which of the following best describes the purpose of data sampling in Data Science?

To analyze the entire dataset

To select a representative subset

To visualize data

To calculate data statistics

Detailed SolutionWhich of the following best describes the purpose of data sampling in Data Science?

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