\t \t\t\t \r\n \n\t.

404

byrut.rog byrut

Understanding the Context

t .

t.cnURLt.cnt.cn .

G300 D200 C Z.

T-distributionnormal distribution t-distributionnormal distribution dft-distributionnormal distribution .

Key Insights

1 1 t F F (p>0.05) .

T P H L TPL1. "T""tomboy".

haven't sth is the old fashioned way of forming negative and interrogative sentences with "have". It's correct, but isn't used very much anymore. People usually use haven't got sth instead of.