NPTEL Python For Data Science Week 3 Assignment Answers 2024

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NPTEL Python For Data Science Week 3 Assignment Answers 2024

1. Which of the following is the correct approach to fill missing values in case of categorical variable?

  • Mean
  • Median
  • Mode
  • None of the above

Assume a pandas dataframe df cars which when printed is as shown below. Based on this information, answer questions 2 and 3.

NPTEL Python For Data Science Week 3 Assignment Answers 2024
Answer :- For Answer Click Here 

2. Of the following set of statements, which of them can be used to extract the column Type as a separate dataframe?

  • df_cars[[‘Type’]]
  • df_cars.iloc[[:, 1]
  • df_cars.loc[:,[‘Type’]]
  • None of the above
Answer :- For Answer Click Here 

3. The method df_cars.describe() will give description of which of the following column?

  • Car name
  • Brand
  • Price (in lakhs)
  • All of the above
Answer :- For Answer Click Here 

4. Which pandas function is used to stack the dataframes vertically?

  • pd.merge()
  • pd.concat()
  • join()
  • None of the above
Answer :- 

5. Which of the following are libraries in Python?

  • Pandas
  • Matplotlib
  • NumPy
  • All of the above

Read the ‘flavors_of_cocoa.csv’ file as a dataframe ‘df_cocoa’ and answer questions 6-9.The description of features/variables is given below:

NPTEL Python For Data Science Week 3 Assignment Answers 2024
Answer :- 

6. Which of the following variable have null values?

  • ID
  • Company
  • Review Date
  • Rating
Answer :- For Answer Click Here 

7. Which of the following countries have maximum locations of cocoa manufacturing companies?

  • U.K.
  • U.S.A.
  • Canada
  • France
Answer :- 

8. After checking the data summary, which feature requires a data conversion considering the data values held?

  • Rating
  • Review date
  • Company
  • Bean origin
Answer :- 

9. What is the maximum rating of chocolates?

  • 1.00
  • 5.00
  • 3.18
  • 4.00
Answer :- 

10. What will be the output of the following code?

NPTEL Python For Data Science Week 3 Assignment Answers 2024
  • [bool, int, float, float, str]
  • [str, int, float, float, str]
  • [bool, int, float, int, str]
  • [bool, int, int, float, str]
Answer :- For Answer Click Here