### Assign Letter GradesIn the attached spreadsheet, you are given homework grades of 25 students.Sheet 1 (`hw1`) stores the first homework grades, Sheet 2 (`hw2`) is the second homework grades, and so on.Use either `xlsread()` or `readmatrix()` to import the given data into MATLAB. Once you have the data in MATLAB:1. **Create Separate Arrays:** - Create separate arrays for each homework, naming them as `hw1`, `hw2`, `hw3`, `hw4`, `hw5`.2. **Create Average Grade Array:** - Create an average grade array named `hwAvg`. Store the average homework grade in `hwAvg` using the weights below: - Homework 1, 2: each 15% - Homework 3, 4: 20% - Homework 5: 30%3. **Create Letter Grade Array:** - Create an array named `letterGrade` to store letter grades; this will be an array of strings.4. **Preallocate Letter Grade Array:** - Preallocate the `letterGrade` array. Ensure it has the same length as `hwAvg` array.5. **Assign Letter Grades:** - Assign letter grades from `hwAvg` array using the grading policy: - 100 - 90: A - <90 - 80: B - <80 - 70: C - <70 - 60: D - <60: F*It is recommended that you download the file, review it, and outline the steps in MATLAB software before starting on Grader.*### Script```matlab% In Grader you can import a referenced .xlsx file as such% data=xlsread/readmatrix('filename.xlsx','sheet name')```

possible solution, using two-way databinding <button mat-raised-button…

In the attached spreadsheet, you are given homework grades of 25 students. Sheet 1 (hw1) stores the first homework grades, Sheet 2 (hw2) is the second homework grades and so on. Use either xlsread() or readmatrix() to import the given data into Matlab. Once you have the data in Matlab; • 1- Create separate arrays for each homework, name them as hw1, hw2, hw3, hw4, hw5 • 2- Create an average grade array named hwAvg. Store the average homework grade in hwAvg using the below weights Homework 1, 2: each 15% Homework 3, 4 : 20% Homework 5: 30% • 3- Create an array named letterGrade to store letter grades, this will be an array of strings. • 4- Preallocate the letterGrade array. Make sure it has the same length as hwAvg array. • 5- Assign letter grades from hwAvg array using the grading policy shown below 100 - 90 : A <90 - 80 : B <80 - 70 : C <70 - 60 : D <60 :F It is recommended that you download the file, see what it looks like, figure the steps out on Matlab software before you start solving on Grader.

In the attached spreadsheet, you are given homework grades of 25 students. Sheet 1 (hw1) stores the first homework grades, Sheet 2 (hw2) is the second homework grades and so on. Use either xlsread() or readmatrix() to import the given data into Matlab. Once you have the data in Matlab; • 1- Create separate arrays for each homework, name them as hw1, hw2, hw3, hw4, hw5 • 2- Create an average grade array named hwAvg. Store the average homework grade in hwAvg using the below weights Homework 1, 2: each 15% Homework 3, 4 : 20% Homework 5: 30% • 3- Create an array named letterGrade to store letter grades, this will be an array of strings. • 4- Preallocate the letterGrade array. Make sure it has the same length as hwAvg array. • 5- Assign letter grades from hwAvg array using the grading policy shown below 100 - 90 : A <90 - 80 : B <80 - 70 : C <70 - 60 : D <60 :F It is recommended that you download the file, see what it looks like, figure the steps out on Matlab software before you start solving on Grader.

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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Question

### Assign Letter Grades

In the attached spreadsheet, you are given homework grades of 25 students.

Sheet 1 (`hw1`) stores the first homework grades, Sheet 2 (`hw2`) is the second homework grades, and so on.

Use either `xlsread()` or `readmatrix()` to import the given data into MATLAB. Once you have the data in MATLAB:

1. **Create Separate Arrays:**

- Create separate arrays for each homework, naming them as `hw1`, `hw2`, `hw3`, `hw4`, `hw5`.

2. **Create Average Grade Array:**

- Create an average grade array named `hwAvg`. Store the average homework grade in `hwAvg` using the weights below:
- Homework 1, 2: each 15%
- Homework 3, 4: 20%
- Homework 5: 30%

3. **Create Letter Grade Array:**

- Create an array named `letterGrade` to store letter grades; this will be an array of strings.

4. **Preallocate Letter Grade Array:**

- Preallocate the `letterGrade` array. Ensure it has the same length as `hwAvg` array.

5. **Assign Letter Grades:**

- Assign letter grades from `hwAvg` array using the grading policy:
- 100 - 90: A
- <90 - 80: B
- <80 - 70: C
- <70 - 60: D
- <60: F

*It is recommended that you download the file, review it, and outline the steps in MATLAB software before starting on Grader.*

### Script

```matlab
% In Grader you can import a referenced .xlsx file as such
% data=xlsread/readmatrix('filename.xlsx','sheet name')
```

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