
260 | Big Data Simplied
Long-answer Type Questions (10 Marks Questions)
1. A marks data set has attribute Stud_Roll,
Marks_Maths, Marks_Science and Marks_
Overall. Write a Python program to achieve
the following.
a. Select only the roll number of students
whose marks in Science or Maths is
missing (i.e., have NA value).
b. Select the top 5 students having marks
between 80 and 90.
c. Using some plot, show if there is a cor-
relation between (i) marks in Maths vs.
marks in Science and (ii) Overall marks
vs. marks in Maths.
d. Replace the overall marks with per-
centage and the name of the attribute
to Marks_Percent.
2. Using ...