Could please help me with these two exercise?, document attached with the question .

The study of HOURS OF DAILY STUDIES is variable: Select one: to. Continuous Quantitative b. Qualitative Nominal c. Qualitative ordinal d. Discrete quantitative IN A STUDY OF SALES OF ITEMS IN A SQUARE, THE FOLLOWING RESULTS IN THOUSANDS WERE OBTAINED. Class Interval Xi fi Fi fr (%) 1 [39, 45] 42 7 7 6.7 2 [46, 52] 49 13 20 12.6 3 [53, 59] 56 15 35 14.5 4 [60, 66] 63 30 65 29.1 5 [67, 73] 70 18 83 17.5 6 [74, 80] 77 11 94 10.6 7 [81, 87] 84 9 103 8.7 Total N/A NA 103 N/A 99.7 The study carried out is variable Answer 1 The median position is Answer 2 The breadth of the previous study is Answer 3 The percentage of sales above the median is Answer 4 The arithmetic mean or average is Answer 5 The range of the table presented is: Answer 6