Test Your Programming Skills with Safcode!

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Here is all important interview / exams questions.
Student doing practice apptitude test on safcode platform.
Instruction: "Total Number of Questions: 20
Each question carry 10 mark , no negative marking"

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Quiz Start

1. Heavy data ranging from petabytes or exabytes is called ___________. Heavy Data
Large Data
Big Data
Huge Data

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2. ___________ is a concepts of one to many. Abstraction
Inheritance
Polymorphism
Encapsulation

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3. Response variable is represented on _______________ both x-axis and y-axis
no axis
y-axis
x-axis

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4. What is the function used to read CSV files into R? read()
read_csv()
readfile()
csv()

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5. which function converts list to a vector? none of them
cnvert_list()
de_list()
unlist()

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6. The __________ function is used to sort the values of column in ascending or descending order. sort()
manage()
arrange()
mutate()

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7. Which one is not a step of Data Preparation process. Remove Duplicate Entries
Feature Selection
None of the Them
Missing Values

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8. ____________ is the raw collection of records, contents and images. Data
Matrix
Tables
Data frame

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9. Points more than 1.5 times the inter quartile range above the third quartile is the point of ___________. 50th percentile
25th percentile
75th percentile
100th percentile

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10. Response variable is represented on ___________ x-axis
y-axis
both x-axis and y-axis
none of them

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