HP 48G Linear Regression Best Fit Line

[MNH]

Before I study the information in the articles that you gave me the links to, I want to post an edited version of some data output from the office software that I use. Please note that the coordinate data that I previously posted here was watered-down for easier entry.

Pt.--- Northing(y)--Easting(x)

248 1529945.480 521921.773
249 1530002.951 521922.245
251 1530058.926 521921.687
252 1530114.903 521923.001
254 1530221.977 521924.059
600 1529945.482 521921.526
601 1530221.979 521923.827

Points 600 and 601 are the endpoints of the BFL. Point 600 is near to point 248, and point 601 is near to point 254.

Pt.: 600 - Pt.: 601 Dir: N 00°28'36" E
Pt.: 601 - Pt.: 600 Dir: S 00°28'36" W

Pt.: 248 Offset: 0.24655 RT
Pt.: 249 Offset: 0.24033 RT
Pt.: 251 Offset: 0.78342 LT
Pt.: 252 Offset: 0.06476 RT
Pt.: 254 Offset: 0.23177 RT