Math 12 Fail202148121 ' I Test: Test 2 Question 2 This Test: 5 pls possible @ Submit Test Agroup of 8 students were given the same standardized te st twice to see whether retaking the test affected the score. The table gives the score differences for the 8 students' Use the paired tin terval procedure to determine a 98% condence Interval for the difference between the mean scores on the rst test and the second test (retake). (Note; a: - 10 and sd = 55.81.) The 98% condence interval is from D to [:l. (Round to two decimal places as needed.)