2. 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. Period New Accounts New New Period Accounts Period Accounts 1 199 6 231 11 280 2 213 7 247 12 274 3 210 8 251 13. 279 4 227 9 252 14 287 5 234 10 266 15 309 b. Use trend-adjusted smoothing with a .3 and ẞ=.2 to smooth the new account data in part a. What is the forecast for period 16?