The monthly incomes from a random sample of 20 workers in a factory is given below in dollars. Assume the population has a normal distribution and has standard deviation $518. Compute a 98% confidence interval for the mean of the population. Round your answers to the nearest dollar and use ascending order Monthly Income 11621 12367 12030 12135 12561 11453 12313 11561 12424 12346 11591 12032 11562 12224 12850 11802 12360 12519 11960 12337