Plz give the solution

Plz give the solution Exercise 13.1 I - The marks scored by 40 candidates in an examination (out. 100) is given below: 75, 65, 57, 50, 32, 54, 75, 67, 75, 8B, 80, 42, 40, 41, 34, 78/44 61, 42, 46, 68, 52,43, 49, 59, 49, 67, 34, 33, 87, 97, 47, 46, 48, 45, 51, 47, 43. Prepare a frequency distribution table with the class size Take the class intervals as (30-39), (40-49), and answer the following questions: (i) Which class inter.'als have highest and lowest frequency? (ii) Write the upper and lower limits of the class interval 30-3! (iiiJ What is the range of the given distribution?