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- 1. Multiple Choice
Who is the main author of pandas?
Karl pearson
Wes McKinney
J D Hunter
None of these
- 2. Multiple Choice
Which method applies the function on each individual data element of the dataframe?
Apply ()
Applymap ()
hist()
pivot ()
- 3. Multiple Choice
How to check if a data frame St has any missing values?
df.null(). values.any()
df.isnull(). values.any()
df.empty(). values.any()
df.empty().any()
- 4. Multiple Choice
Which of the following statements is true?
Quantiles are points in a distribution that relate to the rank order of the values in their distribution
pivoting technique rearranges data from rows and columns by possibly aggregating data from multiple sources in a report form so that data can be viewed in different perspectives
Sorting refers to arranging data in a particular order
All of these
- 5. Multiple Choice
What is the use of lambda function?
One typically writes a lambda function on the fly when one wants to write a function for one time use
It is a predefined function of pandas
It is a predefined module of matplotlib
None of these
- 6. Multiple Choice
Histogram belongs to
Quantitative variable
Single variable
Linear variable
All of these
- 7. Fill in the Blank
What is the output of the following snippet
- 8. Multiple Choice
Which method is used to access vertical subset of a dataframe?
iterrows()
iteritems()
mod()
None of these
- 9. Fill in the Blank
Given are two objects, a lst object namely lst1 and a series object ser1, both are having similar values, i.e. 2,4,6,8. Find out the output produced by following statements:
(I) print (lst1*2)
(II) print (ser1*2)
- 10. Multiple Choice
Which function allows us to discover and show the underlying frequency distribution of a set of continuous data?
Bar graph
Frequency polygon
Five number summary
None of these
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