Grouping Quantitative Data - Rules
- Number of categories should be neither too small nor too big
- Categories cannot overlap
- Categories should have the same width
Dr. Christina Hayes
Wilson 2-263
Department of Mathematical Sciences
Montana State University
Bozeman, MT 59717
phone: 406-994-6557
fax: 406-994-1789
christina.hayes@montana.edu
(Email will likely reach me faster than a phone call)