Answer:
25 measurements need to be taken
Explanation:
Given:
individual uncertainty, [tex]u_i=1.5\ mm[/tex]
Now we have the relation as:
[tex]n=(\frac{u_i}{u_m})^2[/tex]
where:
n= number of measurements
[tex]n=(\frac{1.5}{0.3})^2[/tex]
[tex]n=25[/tex] measurements need to taken in this case.
