4- The file Grades.txt contains the grades for the Assignments (column 1), Midterm exam (column 2) and Final Exam (column 3) for 10 students. Read the grades in an ndarray and answer the following questions: a. What is the maximum grade in the final exam? b. How many students achieved a total score of 85% and more? c. What is the mean and standard deviation for each assessment tool (i.e. Assignments, Midterm and Final Exam) d. Which assessment tool has the highest standard deviation e. How many students scored the maximum score in the Assignments (the maximum score is 20)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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4- The file Grades.txt contains the grades for the Assignments (column 1), Midterm exam
(column 2) and Final Exam (column 3) for 10 students. Read the grades in an ndarray and
answer the following questions:
a. What is the maximum grade in the final exam?
b. How many students achieved a total score of 85% and more?
c. What is the mean and standard deviation for each assessment tool (i.e.
Assignments, Midterm and Final Exam)
d. Which assessment tool has the highest standard deviation
e. How many students scored the maximum score in the Assignments (the maximum
score is 20)
Transcribed Image Text:4- The file Grades.txt contains the grades for the Assignments (column 1), Midterm exam (column 2) and Final Exam (column 3) for 10 students. Read the grades in an ndarray and answer the following questions: a. What is the maximum grade in the final exam? b. How many students achieved a total score of 85% and more? c. What is the mean and standard deviation for each assessment tool (i.e. Assignments, Midterm and Final Exam) d. Which assessment tool has the highest standard deviation e. How many students scored the maximum score in the Assignments (the maximum score is 20)
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