Effectiveness of distance learning: A study was done to compare the effectiveness of distance learning with traditional classroom instruction. Twelve students took a business administration course online, while 14 students took it in a classroom. The final exam scores were as follows. It is reasonable to OO assume that the samples come from populations that are approximately normal. Online 69 70 84 66 83 84 70 97 73 69 84 84 Classroom 83 84 66 83 70 83 84 83 97 M 66 90 84 70 84 Send data to Excel Part: 0 / 2 Part 1 of 2 (a) Construct a 95% confidence interval for the difference between the mean scores for the two types of instruction. Let u denote the mean score of online instruction. Use the TI-84 calculator and round the answers to one decimal place. An 95% confidence interval for the mean difference between the mean scores for the two types of instruction is X 1