BSCS 4-3 - Midterm Exam (Jan. 6, 2024)

BSCS 4-3 - Midterm Exam (Jan. 6, 2024)

University

50 Qs

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BSCS 4-3 - Midterm Exam (Jan. 6, 2024)

BSCS 4-3 - Midterm Exam (Jan. 6, 2024)

Assessment

Quiz

Instructional Technology

University

Practice Problem

Medium

Created by

Montaigne Molejon

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50 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What best describes R in programming?

A programming language for statistics and data analysis

A web development language

An operating system

A gaming software

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the correct sequence for installing R and R Studio?

Install R first, then R Studio

Install R Studio first, then R

Installation order doesn't matter

Install both simultaneously

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'Environment' tab in RStudio?

To display all installed packages

To manage files and folders

To view objects, variables, and their values

To write and execute code

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which operator is used in R for exponentiation?

**

//

%

^

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What's the primary purpose of a function in R?

Plotting graphs

Storing datasets

Reusing code and performing specific tasks

Writing comments in code

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following R code will correctly compute and display output of 45?

Media Image
Media Image
Media Image
Media Image

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In a bakery dataset, the variable 'bread' represents the number of loaves sold, and 'price' is the cost per loaf. The following R code is used: (see the attached image)

What does the variable 'income' represent?

Total loaves available

Total expenses

Average price per loaf sold

Total revenue generated

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