Testing:

H0:μ=37.325\displaystyle {H}_{{0}}:\mu={37.325}
H1:μ>37.325\displaystyle {H}_{{1}}:\mu>{37.325}

Your sample consists of 45 subjects, with a mean of 37.7. You were given a population standard deviation of 4.15.

Calculate the test statistic, rounded to 2 decimal places.
z=\displaystyle {z}=