Students: Johnson, Williams, Matt, Jones, Eric, Lili, John and Jason, whose grades are listed below. Each column is the grades each student received. There are 8 students with 10 grades each. Johnson: 79, 92, 85, 0, 100, 64, 72, 99, 90, 86 Williams: 80, 75 93, 94, 0, 90, 89, 88, 87, 86 Matt: 82, 67, 72, 74, 89, 0, 70, 89, 100, 76 Jones: 85, 84, 82.5, 82, 84, 80, 80.5, 90, 96, 85 Eric: 90, 91, 87, 85.5, 86.5, 0, 90, 90, 91, 92 Lili: 60, 75, 81, 70, 80, 81, 94, 67.5, 99, 98 John: 79, 0, 74, 96, 88.5, 88, 0, 100, 86, 83 Jason: 89, 90, 90, 85, 85, 90, 91, 88, 100, 79
Students: Johnson, Williams, Matt, Jones, Eric, Lili, John and Jason, whose grades are listed below. Each column is the grades each student received. There are 8 students with 10 grades each. Johnson: 79, 92, 85, 0, 100, 64, 72, 99, 90, 86 Williams: 80, 75 93, 94, 0, 90, 89, 88, 87, 86 Matt: 82, 67, 72, 74, 89, 0, 70, 89, 100, 76 Jones: 85, 84, 82.5, 82, 84, 80, 80.5, 90, 96, 85 Eric: 90, 91, 87, 85.5, 86.5, 0, 90, 90, 91, 92 Lili: 60, 75, 81, 70, 80, 81, 94, 67.5, 99, 98 John: 79, 0, 74, 96, 88.5, 88, 0, 100, 86, 83 Jason: 89, 90, 90, 85, 85, 90, 91, 88, 100, 79
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
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Students: Johnson, Williams, Matt, Jones, Eric, Lili, John and Jason, whose grades are listed below.
Each column is the grades each student received. There are 8 students with 10 grades each.
Johnson: 79, 92, 85, 0, 100, 64, 72, 99, 90, 86
Williams: 80, 75 93, 94, 0, 90, 89, 88, 87, 86
Matt: 82, 67, 72, 74, 89, 0, 70, 89, 100, 76
Jones: 85, 84, 82.5, 82, 84, 80, 80.5, 90, 96, 85
Eric: 90, 91, 87, 85.5, 86.5, 0, 90, 90, 91, 92
Lili: 60, 75, 81, 70, 80, 81, 94, 67.5, 99, 98
John: 79,0, 74, 96, 88.5, 88, 0, 100, 86, 83
Jason: 89, 90, 90, 85, 85, 90, 91, 88, 100, 79
Write user-defined functions or build-in functions (e.g., sum, mean, max, min, etc.) to calculate:
The Average Grade of each student; this average should be a vector.
The average of the class; this average is a scalar vector.
The highest grade among the Average Grade of Each Student
The lowest grade among the Average Grade of Each Student
Show a table with each student's name, average grade and letter score using A, B, C, D, F in the
Command Window.
Output above table in a *.txt file
Make a 2D plot of the grade curve of Average Grade of Each Student. Use a Title, labels, legend
of figure, etc.
Express above average grade curve with an estimated 5th order polynomial function and show
this function on Command Window.
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