Quarterly billing for water usage is shown below. Using the data above, we obtain the following forecast mode Y=20+2∗t+8∗Q1+2∗Q2−3∗Q3 a) Forecast the quarter 4 (Q4) of the year 2020 . b) Forecast the quarter 3 (Q3) of the year 2024 For the toolbar, press ALT+F10(PC) or ALT+FN+F10 (Mac). a) Y=20+2∗4+8∗0+2∗0−3∗0=28

Q&A Education