Question

(a) 40 2. Following is the distribution of marks of 50 students 7030 8000 90 100 40-50 50-60 60-70 Classes 0-10 10-20 20-30 30-40 No. of 8 5 5 7 5 2 8 3 Students (1) What is the lower limit of second class ? (ii) What is the upper limit of 4th class ? 1 liit) What is the class-mark of 8th class? w What is the class-mark of 5th class ? (u) What is the class-size or class-width of the above distribution for the heights of 15 students.​

Answer 1

Answer:

I don't know what is the answer I have not

I am class 6th