Calculate the appropriate test statistic based on the information provided (round your answer to 4 decimal places): Research Question: Do carpenters make a different salary than crane operators? DO NOTASSUME THE POPULATION STANDARD DEVIATIONS OF THE TWO SAMPLES ARE EQUAL Group 1: Carpenter Sample mean = 60000 Sample standard deviation = 5500 Sample size = 10  Group 2: Crane Operator Sample mean = 62500 Sample standard deviation = 2500 Sample size = 14