Question 1: Least-Squares Regression Method:

Please show all steps and work/formulas.

The following gives the number of accidents that occurred on Florida State Highway 101 during the last 4 months: Month Jan Feb Mar Apr Number of Accidents 30 40 60 90 Using the least-squares regression method, the trend equation for forecasting is (round your responses to two decimal places): A y: + X Using least-squares regression, the forecast for the number of accidents that will occur in the month of May = accidents (enter your response as a whole number)