Name: Drilling

 

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.

 

Variables (column):

1.      Depth (feet)

2.      Time (minutes)

3.      Type (0=Dry, 1=Wet)

 

Possible Uses: Correlation, Multiple Regression, Independent Samples T Test

 

References:

Penner, Ralph, and Donald Watts.  Mining Information.  The American Statistician, Vol. 45, No. 1 (Feb., 1991), pp. 4-9.  American Statistical Association.  <http://www.jstor.org/stable/2685231>

 

Levine, David, Patricia Ramsey, and Robert Smidt.  Applied Statistics for Engineers and Scientists.  Upper Saddle River, NJ: Prentice Hall 2001.