Assignments $-$ Problems Solving CH $4$Week $24\mathrm{.}24$ The following gives the number of accidents that occurred on Florida State Highway $101$ during the past $4$ months:MonthJanuary FebruaryMarchAprilNumber of Accidents$30406090|$Forecast the number of accidents that will occur in May, using least$-$squares regression to derive a trend equation$\mathrm{.}4\mathrm{.}25$In the past, Peter Kelle's tire dealership in Baton Rouge sold an average of $1,000$ radials each year. In the past $2$ years, $200$ and $250,$ respectively, were sold in fall, $350$ and $300$ in winter, $150$ and $165$ in spring, and $300$ and $285$ in summer.With a major expansion planned, Kelle projects sales next year to increase to $1,200$ radials.What will be the demand during each season?$4\mathrm{.}26$ George Kyparisis owns a company that manufactures sailboats. Actual demand for George's sailboats during each of the past four seasons was as follows:SeasonWinter Spring Summer$1,4001,5001,000600$YEAR$1,2001,400|2,100|7501,0001,600|2,000650|41,900500$George has forecasted that annual demand for his sailboats in year $5$ will equal $5,600$ sailboats. Based on this data and the multiplicative seasonal model, what will the demand level be for George's sailboats in the spring of year $5?4\mathrm{.}27$ Attendance at Orlando's newest Disneylike attraction, Lego World, has been as follows:QuarterWinter Year $1$Spring Year $1$Summer Year $1$Fall Year $1$Guests $($InQuarterThousands$)73$ Winter Year $2104$ Spring Year $2168$ Summer Year $274$ Fall Year $2$Guests $($InQuarterThousands$)65$ Winter Year $382$ Spring Year $3124$ Summer Year $352$ Fall Year $3$Guests $($In Thousands$)8914620598$Compute seasonal indices using all of the data.