I have run the Minitab to analyze the correlation between fill depth vs SMC, from the result, there is no correlation or difference between varying the fill depth of corn. Please find below for more information.
Correlations: Fill depth, SMC
Pearson correlation of Fill depth and SMC = 0.010
P-Value = 0.956
Two-sample T for SMC
Fill
depth N Mean StDev SE Mean
0.50 16 10.63 2.32 0.58
0.75 16 10.67 2.10 0.52
Difference = mu (0.50) - mu (0.75)
Estimate for difference: -0.043750
95% CI for difference: (-1.644637, 1.557137)
T-Test of difference = 0 (vs not =): T-Value = -0.06 P-Value = 0.956 DF = 29
Boxplot of SMC by Fill depth