Load the file thermo scores.dat and name it thermo scores. (a) Extract the scores and student number for student 5 into a row vector named student 5. (b) Extract the scores for Test 1 into a column vector named test 1. (c) Find the standard deviation and variance for each test. (d) Assuming that each test was worth 100 points, find each student’s final total score and final percentage. (Be careful not to add in the student number.)

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
icon
Related questions
Question

. Load the file thermo scores.dat and name it thermo scores.
(a) Extract the scores and student number for student 5 into a row vector
named student 5.
(b) Extract the scores for Test 1 into a column vector named test 1.
(c) Find the standard deviation and variance for each test.
(d) Assuming that each test was worth 100 points, find each student’s final
total score and final percentage. (Be careful not to add in the student
number.)
(e) Create a table that includes the final percentages and the scores from the
original table.
(f) Sort the matrix on the basis of the final percentage, from high to low (in
descending order), keeping the data in each row together. (You may need
to consult the help function to determine the proper syntax.)  

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question

 how do i  input the student score matrix as A in Matlab its asking me to give a a function

Solution
Bartleby Expert
SEE SOLUTION
Knowledge Booster
Array
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education