Answer:
below
Step-by-step explanation:
mean=EFX÷N
=40÷8
=5
THIS IS THE MEAN OF GIVEN DATA.
Pressure and Volume are inversely related as:

We can also write it as:

R is the constant of proportionality. Using the first row of given table, we can write:
Thus, the value of R, the universal gas constant is 8.31