Question

marks of 12 students in a unit test are given as 4,21,13,17,5,9,10,20,19,12,20,14 assume mean and calculate the arithemetic mean of the data assume another number as mean abd calculate the arithemetic mean again do you get the same result comment​

Answer 1

Answer:

$(4 + 21 + 13 + 17 + 5 + 9 + 10 + 20 + 19 + 12 + 20 + 14) = 154 \div 12 = 12.8$

hence now u could check Anwer is aame