=T.TEST(A,B,2,1)  type 1, paired: p = 0.0025
=T.TEST(A,B,2,2)  type 2, equal variance (Student): p = 0.4418
=T.TEST(A,B,2,3)  type 3, unequal variance (Welch): p = 0.4420
=T.TEST(A,B,1,1)  type 1, one-tailed: p = 0.0013