Question

if the mean of the following distribution is 54.find the value of p.class interval:0-20,20-40,40-60,60-80,80-100 frequency:7,p,10,9,13​

Answer 1

Answer:

(7+p+10+9+13)/5=54

Step-by-step explanation:

(39p)/5=54

39p=54×5

39p=270

p=270/39

p=6.9