Calculate a 95% confidence interval for the mean starting salary of all employees who do not stay (No) at least three years with DEY. What are the values of LCL and UCL? Round your answers to 2 decimal places. [Hint: First sort the dataset by the variable Stayed 3 years]
a. LCL - 37,847.48 and UCL = 39,214,34
b. LCL - 38,132,64 and UCL = 38,879,12
c. Can't be calculated with the data given
d. LCL - 37,671.28 and UCL = 39,440,49