4- Researchers are trying to evaluate the potential benefits of a proposed irrigation project on crop yield of wheat in Wyoming. The following table provides crop yield (bushels per acre) and amount of rainfall in inches over the growing season for recent 8 consecutive years. Manually estimate the linear regression and determine whether the irrigation project is justified I Year 2014 2015 2016 2017 2018 2019 2020 2021 Yield (Bushel per acre) 28884325 77 70 50 68 74 Rainfall (inches) PUBHASAN 10 15 23 14 20 18 20 21

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