Class 11 IP Chapter 11 Back Exercise Part B Solutions Sumita Arora New Syllabus

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3. From the dataframes created in previous question, write code to
1. What advantages does dataframe offer over series datastructure ? If you have similar data stored in multiple series and a single dataframe, which one would you prefer and why ?
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2. Given :
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4. Predict the output of following code (it uses above given dictionary my_di)
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5. Consider the same dictionary my_di in previous question, what will be the output produced by following code ?
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7. Assume that required libraries (panda and numpy) are imported and dataframe df2 has been created as per questions 4 and 5 above. Predict the output of following code fragment :
df2["IQ"] = ...
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6. Assume that required libraries (panda and numpy) are imported and dataframe df2 has been created as per questions 4 and 5 above. Predict the output of following code fragment :
print(df2["weight"]) print(df2.weight[’Tim’]) ...
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8. Assume that required libraries (pandas and numpy) are imported and dataframe df2 has been created as per questions 4 and 5 above. Predict the output produced by following code fragment :
df2["College"] = ...
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9. Assume that required libraries (pandas and numpy) are imported and dataframe df2 has been created as per questions 4 and 5 above. Predict the output produced by following code fragment :
print(df2.loc["Jiya"]) print(df2.loc ...
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10. Assume that required libraries (panda and numpy) are imported and dataframe df2 has been created as per questions 4 and 5 above. Predict the output produced by following code fragment :
print(df2[df2["age"] > ...
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11. What will be the output produced by following code ?
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12. Predict the output of the script given below:
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13. Predict the output of the script given below :
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14. Why does following code cause error ?
import pandas ...
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15. Given the two dataframes as :
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16. Four series objects Tempi, Temp2, Temp3 and Temp4 store the temperatures of week1, week2, week3 and week4 respectively. Create a dataframe from these four series objects where the indexes should be ‘Sunday’, ‘Monday’, … , ‘Saturday’, and columns should be ‘Week1’, ‘Week2’, ‘Week3’ and ‘Week4’.
import pandas ...
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17. From the dataframe object created in previous question, write a script to calculate :
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18. What will the output produced by following code considering a dataframe object mem whose contents are shown below :
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19. Consider following code that creates two dataframes :
import pandas ...
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20. Consider the orel and ore2 dataframes given in previous questions. What will the result produced by following statements ?
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21. Consider following dataframes, namely Sprices1 and Sprice2 storing prices closing 1 year apart.
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