Data Collection and Preprocessing MCQ Questions and Answers | Data Science MCQs

A. True

B. False

A. Nearly 80% of data analysis is spent on wrangling data

B. Nearly 20% of data analysis is spent on data dredging

C. Nearly 80% of data analysis is spent on the cleaning and preparing data

D. None of the mentioned

A. head

B. tail

C. summary

D. none of the mentioned

A. file

B. header

C. sep

D. all of the mentioned

A. frequency

B. summarized

C. raw

D. none of the mentioned

A. Primary data is original source of data

B. Secondary data is original source of data

C. Questions are obtained after data processing steps

D. None of the Mentioned

A. original swath files generated from a sonar system

B. initial time-series file of temperature values

C. a real-time GPS-encoded navigation file

D. all of the mentioned

A. rdgal

B. rgeos

C. raster

D. all of the mentioned

A. xlsx

B. xlsc

C. read.sheet

D. all of the mentioned

A. True

B. False