How many cases are there? i How many variables are mentioned? i How many of the variables are categorical? i How many of the variables are quantitative? i
How many cases are there? i How many variables are mentioned? i How many of the variables are categorical? i How many of the variables are quantitative? i
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
In this same passage, answer the last questions that are asked.
Transcribed Image Text:Do You Use a Food Delivery App? A 2019 study conducted by eMarketer¹ asked 800 US smartphone users whether they had used a
food delivery app at least once in the last month. The survey also asked which food delivery app, if any, was used. The survey showed
that 16.3% of respondents had used a food delivery app in the last month. Of those that had used one, 27.6% used DoorDash, 26.7%
used Grubhub, 25.2% used UberEats, while the rest used another.
1. US Food Delivery App Usage Will Approach 40 Million Users in 2019, www.eMarketer.com, July 2, 2019. Sample size is
approximated.
Transcribed Image Text:How many cases are there? i
How many variables are mentioned? i
How many of the variables are categorical? i
How many of the variables are quantitative? i
Expert Solution
Step 1
The survey was conducted on 800 US smartphone users.
The variable of interest are whether they had used a food delivery app at least once in the last month and which food delivery app, if any used.
The variable is the quantity that is not constant and can take different values.
The variable is not a numerical or qualitative variable that is based on characteristics and is called a categorical variable. It takes a fixed number of possible values.
The quantitative variable is the variable that takes numerical values. It is a result of counting or measurement.
Trending now
This is a popular solution!
Step by step
Solved in 5 steps
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman