The following marks were obtained by the students in a test:81, 72, 90, 90, 86, 85, 92, 70, 71, 83, 89, 95, 85, 79, 62The range of the marks is(a) 9(b) 17(c) 27(d) 33

The following marks were obtained by the students in a test:81, 72, 90

1.	The following marks were obtained by the students in a test:81, 72, 90, 90, 86, 85, 92, 70, 71, 83, 89, 95, 85, 79, 62The range of the marks is(a) 9(b) 17(c) 27(d) 33
Answer» The following marks were obtained by the students in a test: 81, 72, 90, 90, 86, 85, 92, 70, 71, 83, 89, 95, 85, 79, 62 The range of the marks is (a) 9 (b) 17 (c) 27 (d) 33