Data Handling using Pandas - II — Practice Quiz
CBSE · Class 12 · Informatics Practices
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Which DataFrame method calculates the maximum value of each column in the given data, regardless of data type?
What is the maximum mark in each subject for a unit test in the chapter's case study?
When df.count(axis=1) is used on the 7-column marks DataFrame, what count is obtained for each row?
Which of the following is a correct description of DataFrame.sum() in this chapter?
Sample Questions
Which of the following DataFrame methods are applicable only to numeric values?
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mean(), median()
mean() is only applicable for numeric values, and median() is also used for numeric values. max() works regardless of data type, and mode() is not limited to numeric data in this chapter.
Which DataFrame method returns the total number of values per column or row?
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count()
DataFrame.count() displays the total number of values per column or row.
Which statement about the default row index of a DataFrame is correct?
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It starts from 0 and is numeric
By default, a DataFrame gets a numeric row index starting from 0.
Which output is produced by DataFrame.describe() in this chapter?
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All descriptive statistics in one command
describe() displays all descriptive statistics in one command.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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