Question

If the mean of the following data is 18.75 find the value of P.
x=10,15,p,25,30
f=5,10,7,8,2​

Answer 1

Step-by-step explanation:

Mean=10+15+P+25+30/5

18.75=80+P/2

18.75-80=P/2

-61.25=P/2

-61.25/2=P

P= -30.63