Question

the mean of the following frequency distribution is 8. Find the value of P. Frequency 6,8,15,p,8,4 variable 3 ,5 ,7 ,9 11 , 13​

Answer 1

Answer:

x f f

i

x

i

3 6 18

5 8 40

7 15 105

9 p 9p

11 8 88

13 4 52

Total 41+p 303+9p

Mean =

41+p

303+9p

or, 8(41+p)=303+9p

or, 328+8p=303+9p

or,

p=25

Answer 2

Answer:

is 8 x 3,5,7,9,11,13 f 6,8,15,p,8 ,4. Step-by-step explanation: x Frequency fx. 3 6 18. 5 8 40. 7 15 105. 9 p 9p. 11 8 88. 13 4 52.