Question

If the mean of frequency distribution is 12 and ∑ fx = 204+12 p, ∑ f=29,then p=

Answer 1

Step-by-step explanation:

∑ fx = 204+12 p, ∑ f=29

Mean=12

Mean=∑ fx/∑f

12=204+12p/29

12(29)=204+12p

12(39)=12(17+p)

39=17+p

p=22