Question

say all statistics chapter formulas

Answer 1

hey here is ur answer

Answer 2

mean= sum of observation/no.of observations (or) sigma fixi/n
median= in this we vl have two formulas
i) for even no.s it is n/2 and n+1/2^th observations...
ii) for odd numbers it is n+1/2^th observations.....
iii)Mode= we should all the numbers in ascending order.....
iv) range= max.value -min.value.....
v)mid value = upper limit + lower limit/2
vi) true median = m1+m2/2
no. of classes = range/class intervals.....
hope it helps u