6. Which of the following describes a situation in which it is safe to employ 1-procedures? (a) n;=10, 12 = 40;both samples are moderately skewed.
(b) n;=10. n2 = 8; sample 1 is approximately normal, while ample 2 is skewed right.
(c) n;=6, n2 = 6; both samples are approximately normal.
(d) n;=35, n2 = 40; both samples are approximately normal, sample 2 has two outliers.
(e) It is safe to use 1-procedures in more than one of the situations above.