=+5.6. Show by calculations from tables that the normal distribution provides reasonably accurate approximations to the critical values of one-sided tests for a 0:01;

=+5.6. Show by calculations from tables that the normal distribution provides reasonably accurate approximations to the critical values of one-sided tests for a ¼ 0:01; 0:05, and 0.10 when:

N ¼ 12 for the sign test N ¼ 15 for the signed-rank test