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. 2017 Dec 1;18:534. doi: 10.1186/s12859-017-1949-5

Table 6.

Results of improper t-test usage. An improperly implemented paired t-test using hypothetical data from Table 1 and three other hypothetical plate experiments testing the hypothesis of equal gene expression between sample type A and B assuming a mean difference of 0

Biological replicate r Sample A ΔCq;r,Aw Sample B ΔCq;r,Bw 10ΔΔCq;rw A vs. B 10ΔΔCq;rw B vs. A
r = 1 1.1387 1.4077 1.858 0.538
r = 2 0.845 1.291 2.793 0.358
r = 3 0.499 1.496 9.931 0.101
r = 4 0.699 1.172 2.972 0.337
Mean 4.39 0.333
SD 3.73 0.180
N 4 4
T 1.82 −7.42
P 0.167 0.005