a. Obtain the linear trend equation for the following data on new checking accounts at Fair Savings Bank and use it to predict expected new checking accounts for periods 16 through 19. (Round your intermediate calculations and final answers to 2 decimal places.) Period New Accounts Period New Accounts Period New Accounts 1 200 6 233 11 281 2 212 7 247 12 275 3 211 8 250 13 280 45 4 226 9 251 14 288 235 10 267 15 300 y= a+ _t Y16= Y17= Y18= Y19=