आंकड़ों की परास ज्ञात करें: 11, 13, 9, 17, 13, 19, 10, 11। A. 9 B. 10 C. 11 D. 13

Range = largest value − smallest value. Here the largest is 19 and the smallest is 9, so the range = 19 − 9 = 10.