StatCrunch Output:

Hypothesis test results:

μD = μ1 - μ2 : Mean of the difference between wt_after and wt_before

H0 : μD = 16

HA : μD ≠ 16

Difference Sample Diff. Std. Err. DF T-Stat P-value

wt_after - wt_before 10.40875 0.96015965 15 -5.8232503 <0.0001

Test-Statistic:

p-value =

Conclusion: