Single Quote Append vs. Double Quote Append
....................
Set 1 mean: 3.811 s
Set 1 std dev: 0.349
Set 2 mean: 3.794 s
Set 2 std dev: 0.212
p.value: 0.461168776016191
W: 172.0
The difference (-0.4%) IS NOT statistically significant.

Append vs. Interpolation
....................
Set 1 mean: 3.754 s
Set 1 std dev: 0.166
Set 2 mean: 3.626 s
Set 2 std dev: 0.246
p.value: 0.055888438903383
W: 271.0
The difference (-3.4%) IS NOT statistically significant.

Two Appends vs. Interpolation
....................
Set 1 mean: 4.911 s
Set 1 std dev: 0.367
Set 2 mean: 3.878 s
Set 2 std dev: 0.167
p.value: 1.45088891038497e-11
W: 400.0
The difference (-21.0%) IS statistically significant.

Concatenation vs. Interpolation
....................
Set 1 mean: 3.857 s
Set 1 std dev: 0.307
Set 2 mean: 3.534 s
Set 2 std dev: 0.132
p.value: 1.56463424829242e-05
W: 350.0
The difference (-8.4%) IS statistically significant.

Two Concatenations vs. Interpolation
....................
Set 1 mean: 5.457 s
Set 1 std dev: 0.303
Set 2 mean: 3.876 s
Set 2 std dev: 0.254
p.value: 1.45088891038497e-11
W: 400.0
The difference (-29.0%) IS statistically significant.

Concatenation vs. Append
....................
Set 1 mean: 4.370 s
Set 1 std dev: 0.950
Set 2 mean: 4.029 s
Set 2 std dev: 0.212
p.value: 0.583114228193301
W: 221.0
The difference (-7.8%) IS NOT statistically significant.

Several Concatenations vs. Several Appends
....................
Set 1 mean: 8.834 s
Set 1 std dev: 0.453
Set 2 mean: 5.632 s
Set 2 std dev: 0.323
p.value: 1.45088891038497e-11
W: 400.0
The difference (-36.3%) IS statistically significant.