I' The Gold Coast Tourism Board is interested in determining the relationship between the number of fine days each year and the number of interstate and overseas tourists visiting the Gold Coast each year, measured in thousands. Using annual data from 1993 to 2005 (inclusive), the following model was estimated: Y = -5.33 + 0.48 X Error sum of squares: 335.3 Sum of squares of X: 907 Determine the upper limit for the 90% confidence interval for the slope correct to two decimal places