Python For Data Science Week 3 Assignment 3

Publicado em: 09 Agosto 2023
no canal de: Computer science field

834

Week 3: Assignment 3
Due date: 2023-08-16, 23:59 IST.
1 point
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.

1 point
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
1 point
The method df_cars.describe() will give description of which of the following column?
Car name
Brand
Price (in lakhs)
All of the above
1 point
Which pandas function is used to stack the dataframes vertically?
pd.merge()
pd.concat()
join()
None of the above
1 point
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:

1 point
Which of the following variable have null values?
ID
Company
Review Date
Rating
1 point
Which of the following countries have maximum locations of cocoa manufacturing companies?
U.K.
U.S.A.
Canada
France
1 point
After checking the data summary, which feature requires a data conversion considering the data values held?
Rating
Review date
Company
Bean origin
1 point
What is the maximum rating of chocolates?
1.00
5.00
3.18
4.00
1 point
What will be the output of the following code?

[bool, int, float, float, str]
[str, int, float, float, str]
[bool, int, float, int, str]
[bool, int, int, float, str]
You may submit any number of times before the due date. The final submission will be considered for grading.

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