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College students and surfers Rex Robinson and Sandy Hudson collected data on the self-reported number of days surfed in a month for 30 longboard surfers and 30 shortboard surfers. Complete parts a and b below. Full data set Longboard:21, 6, 9, 4, 21, 22, 13, 6, 18, 10, 12, 11, 4, 7, 18, 12, 7, 4, 10, 7, 18, 12, 21, 21, 17, 18, 22, 13, 13, 8 Shortboard: 9, 4, 5, 17, 18, 19, 13, 7, 20, 11, 5, 20, 8, 4, 11, 12, 17, 12, 4, 17, 17, 15, 19, 16, 12, 7, 10, 9, 6, 4

College students and surfers Rex Robinson and Sandy Hudson collected data on the self-reported number of days surfed in a month for 30 longboard surfers and 30 shortboard surfers. Complete parts a and b below. Full data set Longboard:21, 6, 9, 4, 21, 22, 13, 6, 18, 10, 12, 11, 4, 7, 18, 12, 7, 4, 10, 7, 18, 12, 21, 21, 17, 18, 22, 13, 13, 8 Shortboard: 9, 4, 5, 17, 18, 19, 13, 7, 20, 11, 5, 20, 8, 4, 11, 12, 17, 12, 4, 17, 17, 15, 19, 16, 12, 7, 10, 9, 6, 4

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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**Title: Analysis of Surfing Days Data for Longboard and Shortboard Surfers** **Introduction:** College students and surfers Rex Robinson and Sandy Hudson collected data on the self-reported number of days surfed in a month for 30 longboard surfers and 30 shortboard surfers. **Data Set:** - **Longboard Surfers:** 21, 6, 9, 4, 21, 22, 13, 6, 18, 10, 12, 11, 4, 7, 18, 12, 7, 4, 10, 7, 18, 12, 21, 21, 17, 18, 22, 13, 13, 8 - **Shortboard Surfers:** 9, 4, 5, 17, 18, 19, 13, 7, 20, 11, 5, 20, 8, 4, 11, 12, 17, 12, 4, 17, 17, 15, 19, 16, 12, 7, 10, 9, 6, 4 **Analysis:** a. **Compute the Means for Both Longboards and Shortboards:** - The mean for longboards is **12.8** days. (Rounded to one decimal place as needed.) - The mean for shortboards is **11.6** days. (Rounded to one decimal place as needed.) Based on the computed means, **longboarders** tend to go surfing more. b. **Compute the Standard Deviation of Both Longboards and Shortboards:** - The standard deviation for longboards needs to be computed. (Round to one decimal place as needed.) **Conclusion:** This analysis provides insight into the surfing habits of longboard and shortboard surfers, highlighting the tendency of longboard surfers to spend more days surfing on average. Further exploration, including standard deviation calculations, will offer a complete understanding of the variability in their surfing patterns.
Transcribed Image Text:**Title: Analysis of Surfing Days Data for Longboard and Shortboard Surfers** **Introduction:** College students and surfers Rex Robinson and Sandy Hudson collected data on the self-reported number of days surfed in a month for 30 longboard surfers and 30 shortboard surfers. **Data Set:** - **Longboard Surfers:** 21, 6, 9, 4, 21, 22, 13, 6, 18, 10, 12, 11, 4, 7, 18, 12, 7, 4, 10, 7, 18, 12, 21, 21, 17, 18, 22, 13, 13, 8 - **Shortboard Surfers:** 9, 4, 5, 17, 18, 19, 13, 7, 20, 11, 5, 20, 8, 4, 11, 12, 17, 12, 4, 17, 17, 15, 19, 16, 12, 7, 10, 9, 6, 4 **Analysis:** a. **Compute the Means for Both Longboards and Shortboards:** - The mean for longboards is **12.8** days. (Rounded to one decimal place as needed.) - The mean for shortboards is **11.6** days. (Rounded to one decimal place as needed.) Based on the computed means, **longboarders** tend to go surfing more. b. **Compute the Standard Deviation of Both Longboards and Shortboards:** - The standard deviation for longboards needs to be computed. (Round to one decimal place as needed.) **Conclusion:** This analysis provides insight into the surfing habits of longboard and shortboard surfers, highlighting the tendency of longboard surfers to spend more days surfing on average. Further exploration, including standard deviation calculations, will offer a complete understanding of the variability in their surfing patterns.
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