👨👨👧 🖐🏿 🍻 https://translate.googleusercontent.com/translate_c?depth=1&pto=aue&rurl=translate.google.com&sl=ru&sp=nmt4&tl=en&u=https://fooobar.com/questions/1611136/test-if-the-slope-in-simple-linear-regression-equals-to-a-given-constant-in-r&usg=ALkJrhhnEygim2mcDPHK9BXcAMBhoUB-dA 🧙🏽 👨🏽🎓 🤧