Question

(b) 20-30 (c) both the intervals (d) none of these intervals 30. In a frequency distribution, the mid value of the class is 10 and the width of the class is 6. The lower limit of the class is (a) 5 (b) 7 (c) 9 (d) 10 31. In an examination, ten students scored the following marks: 60,58, 90, 51, 47, 81, 70, 95, 87, 99. The range of this data is​

Answer 1

Answer:

please write the question properly. I can't understand