Abstract: A mining engineer wanted to study the relationship between drilling depth and the time it took to drill an additional five feet for dry holes and wet holes.
1. Depth (feet)
2. Time (minutes)
3. Type (0=Dry, 1=Wet)
Possible Uses: Correlation, Multiple Regression, Independent Samples T Test
Levine, David, Patricia Ramsey, and Robert Smidt. Applied
Statistics for Engineers and Scientists.