Question

39. The frequency distribution of marks obtained by 50 studends in an examination is as follows: Marks 0-10 10-20 20-30 30-40 40-50 No. of Students 4, 8 ,20, 12, 6 On scrutiny, the following mistakes of tabulation were revealed : Students A B C D Correct Marks 42, 18 ,32 ,5 Entered 35, 28, 22, 15 Revise the frequency table and calculate Mean. ​

Answer 1

Answer:

it will be 5 hope it help ful