What raw score best corresponds to the top 20% for each distribution?
What raw score best corresponds to the 30th percentile for each distribution?
Major Hours ZHours
1 15 -1.59248
1 24 .42616
1 25 .65045
1 18 -.91960
1 30 1.77192
1 18 -.91960
1 22 -.02243
1 23 .20186
1 26 .87474
1 20 -.47102
2 21 1.95475
2 12 -.71082
2 13 -.41464
2 10 -1.30317
2 17 .77005
2 12 -.71082
2 12 -.71082
2 20 1.65858
2 12 -.71082
2 12 -.71082
2 15 .17770
2 12 -.71082
2 15 .17770
2 14 -.11847
2 19 1.36240