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What is the sample? O All people O Which food delivery app was used O All US smartphone users O Whether a food delivery app was used O The 800 people who answered the survey

What is the sample? O All people O Which food delivery app was used O All US smartphone users O Whether a food delivery app was used O The 800 people who answered the survey

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question

Read this passage about food delivery.  And then, answe the question.

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: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.
What is the sample? O All people O Which food delivery app was used O All US smartphone users O Whether a food delivery app was used O The 800 people who answered the survey eTextbook and Media
Transcribed Image Text:What is the sample? O All people O Which food delivery app was used O All US smartphone users O Whether a food delivery app was used O The 800 people who answered the survey eTextbook and Media
Expert Solution
Step 1

The survey is conducted on 800 US smartphone users.

The variables are whether they used a food delivery app at least once in the last month and which app is used.

The population is a set of all data points or the entire group for which we want to draw the conclusion.

The sample is the subset of the population which contains all characteristics of the population.

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