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(a) Find the z-scores of Trey's last post as a post on Word-e and Ryan's last post as a post on Talk2U. Round your answers to two decimal places. z-score of Trey's post: z-score of Ryan's post: (b) Relative to its population, which post was shorter? Choose the best answer based on the 2-scores of the two posts. 251 characters. O Trey's post O Ryan's post O It is unclear which post was shorter relative to its population X

(a) Find the z-scores of Trey's last post as a post on Word-e and Ryan's last post as a post on Talk2U. Round your answers to two decimal places. z-score of Trey's post: z-score of Ryan's post: (b) Relative to its population, which post was shorter? Choose the best answer based on the 2-scores of the two posts. 251 characters. O Trey's post O Ryan's post O It is unclear which post was shorter relative to its population X

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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Word-e and Talk2U are two social media apps in which users can post messages in text. The character counts for posts on Word-e have a population mean of 96 and a standard deviation of 15. The character counts for posts on Talk2u have a population mean of 355 and a standard deviation of 39. For each.app, the distribution of the character counts is clearly bell-shaped Trey's last post on Word-e was 145 characters. Ryan's last post on Talk2U was 251 characters. (a) Find the z-scores of Trey's last post as a post on Word-e and Ryan's last post as a post on Talk2U. Round your answers to two decimal places. z-score of Trey's post: z-score of Ryan's post: (b) Relative to its population, which post was shorter? Choose the best answer based on the z-scores of the two posts. O Trey's post O Ryan's post O It is unclear which post was shorter relative to its population Explanation X X 5 Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility P B
Transcribed Image Text:Word-e and Talk2U are two social media apps in which users can post messages in text. The character counts for posts on Word-e have a population mean of 96 and a standard deviation of 15. The character counts for posts on Talk2u have a population mean of 355 and a standard deviation of 39. For each.app, the distribution of the character counts is clearly bell-shaped Trey's last post on Word-e was 145 characters. Ryan's last post on Talk2U was 251 characters. (a) Find the z-scores of Trey's last post as a post on Word-e and Ryan's last post as a post on Talk2U. Round your answers to two decimal places. z-score of Trey's post: z-score of Ryan's post: (b) Relative to its population, which post was shorter? Choose the best answer based on the z-scores of the two posts. O Trey's post O Ryan's post O It is unclear which post was shorter relative to its population Explanation X X 5 Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility P B
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