Question

1. Marks 12 students in a unit test are
given as 4, 21, 13, 17,5, 9, 10, 20, 12, 20, in, Assume
mean and
calculate the arthmetic mean of
the data. Assume another number as mean
and
calculate
arithmetic mean again. Do
you get the same
result Comment on it​

Answer 1

Step-by-step explanation:

arthematic mean=sum of observation/no of observation. average=4+21+13+17+5+9+10+20+12+ 20/12. average=164/12. average =13.66

Answer 2

Answer:

I cannot understand your question