This question requires you to use StatCrunchLinks to an external site. to calculate a confidence interval. Each part of the question that requires StatCrunch includes directions for creating the output in the software. First you need to open the dataset in StatCrunch: If your instructor has asked you to join a StatCrunch Group, open the dataset Working and Going to School. Suppose a random sample of 49 students was selected from a certain college. Each student was asked to give his or her class (freshman, sophomore, junior, senior) as well as if he or she worked during the school year (yes, no). What variables were recorded for each observational unit? [ Select ] Use the following steps in StatCrunch to estimate the proportion of all students who work with 98% confidence. Stat > Proportion stats > One sample > With data Select the column Work Success: Yes (note - you must type this using a capital Y or no results will be generated) Select "Confidence interval for P" and change the level of confidence to 0.98 Interpret the interval: With 98% confidence, we estimate between [ Select ] % and [ Select ] % of all students at this particular