Question

Find the value of the following distribution whose mean is 16.6
x 8 12 15 p 20 25 30
f 12 16 20 25 16 8 5​

Answer 1

Answer:

p is approximately 23

Step-by-step explanation:

I believe that the data can be arranged as follows:

Values.  Frequency.  f*x

8.            12.                96

12.           16.               192

15.           20.              300

p.            25.               25p

20.          16.               320

25.          8.                 200

30.          5.                 150

The mean of data is sum(f*x)/sum(f)

sum(f*x)=1250+25p

sum(f)=110

(1250+25p)/110=16.6

1250+25p=1826

25p=576

p=576/25~=23