Question

if the mean of the following data is 18.75 is, then find the value of p

xi 10 15 p 25 30
fi 5 10 7 8 2 ​

Answer 1

Answer:

10+15+p+25+30+5+10+7+8+2/10

=18.75

p+112/10=18.75

p =187.5-112

p=75.5

Answer 2

Answer:

hope it helps...........