Question

Marks obtained by is by is students of class 7 half yearly examination of Mathematices in are - us, 40, so , 45 , 42,30, 25, 35, 40, 42, so, 35, 40, 48, 40 the range calculate range, mean, mode and median of the data.​

Answer 1

mode is 40

median is n+1÷2 thats 12+1/2_ 13/2

mean _ 40+45+42+30+25+35+40+42+35+40+48+40 =462÷12= 38.5

so mean is 462/12