Test Bank for Statistics With R: Solving Problems Using Real-World Data, 1st Edition Harris (All Chapters included)
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Course
Introduction to Statistics
Institution
Introduction To Statistics
Complete Test Bank for Statistics With R: Solving Problems Using Real-World Data, 1st Edition by Jenine K. Harris ; ISBN13: 9781506388151. (Full Chapters included Ch 1 to 11).....Chapter 1: Preparing Data for Analysis and Visualization in R: The R-Team and the Pot Policy Problem.
Chapter 2: Comput...
Statistics With R:
Solving Problems Using Real-World Data
1st Edition by Jenine K. Harris
Complete Chapters Test Bank
are included (Ch 1 to 11)
** Immediate Download
** Swift Response
** All Chapters included
,Chapter 1: Preparing Data for Analysis and Visualization in R: The R-Team and
the Pot Policy Problem
Test Bank
Multiple Choice
1. What are two benefits of using R?
A. It’s free and open source.
B. It’s inexpensive and open source.
C. It’s free and includes responsive customer service.
D. It’s open source and a single platform.
Ans: A
Achievement: 1-1: Observations and variables.
Cognitive Domain: Knowledge
Answer Location: Choosing and Learning R
Difficulty Level: Easy
2. What does “open source” mean?
A. The source code is locked, and you cannot change anything.
B. “Open” is the function for reading in source files.
C. the command to open R on your computer
D. Anyone with an idea of how to contribute open source material can do so.
Ans: D
Achievement: 1-1: Observations and variables.
Cognitive Domain: Knowledge
Answer Location: Choosing and Learning R
Difficulty Level: Medium
, 3. How many R packages are available on the CRAN (The Comprehensive R Archive
Network)?
A. 150
B. 1,000
C. more than 10,000
D. millions
Ans: C
Achievement: 1-1: Observations and variables.
Cognitive Domain: Knowledge
Answer Location: Choosing and Learning R
Difficulty Level: Easy
4. Which of the following best describes a package in R?
A. a list of R tutorials for beginners
B. a matrix of complicated data
C. a script of code to produce publishable graphs
D. a collection of R functions, data, and code to solve specific questions
Ans: D
Achievement: 1-1: Observations and variables.
Cognitive Domain: Comprehension
Answer Location: Choosing and Learning R
Difficulty Level: Medium
5. For a survey that asks a group of people the amount of their income and whether
they purchase organic food, each person is a(n) ______ .
A. variable
B. observation
C. function
D. object
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