3. Cortes Highschool has the following growth of enrolment"EnrolmentYear2019200500Year2015201620171,00020182,400Forecast the enrolment in 2023 using trend projection.Enrolment3,0003,2005,0005,600202020212022

We will use least square regression method since it's one type of trend projection method.

Answered: 3. Cortes Highschool has the following…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

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The number of married people in a country (in millions) and the total number of adults in the country (in millions) are provided in the accompanying table for several years. Find the percentage of people married in each of the given years, and describe the trend over time. Year Married Total 1990 110.4 187.4 1997 120.2 205.5 2000 122.1 215.4 2007 130.5 238.6 The percentage of the adult population that was married in 1990 was nothing%. (Round to one decimal place as needed.)
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3. Cortes Highschool has the following growth of enrolment" Enrolment Year Enrolment 2019 3,000 2020 3,200 2021 5,000 2022 5,600 Year 2015 2016 2017 1,000 2018 2,400 Forecast the enrolment in 2023 using trend projection. 200 500