for T in 5 6 7; do
	echo $T:
	for brad in 2.5 2.0 1.5 1.1; do
		echo -n "$brad "
		nf < T_${T}_brad_${brad}.txt | pystddev -
	done
done

nr=10000
.        T=5     T=6     T=7
brad=2.5 0.00303 0.00709 0.00445
brad=2.0 0.00203 0.00447 0.00577
brad=1.5 0.00215 0.00361 0.00493
brad=1.1 0.00216 0.00356 0.00299