Major oil production group

Counties

Observations

Mean

Std. Dev.

Minimum

Maximum

McKenzie

528

0.965

1.255

0.309

8.554

Mountrail

528

0.596

1.540

0.011

7.368

Williams

528

0.576

0.752

0.240

4.379

Dune

528

0.381

0.824

0

5.069

Minor oil production group

Counties

Observations

Mean

Std. Dev.

Min.

Max.

Divide

528

0.112

0.202

0.012

0.291

Bowman

528

0.384

0.398

0.047

1.541

Burke

528

0.102

0.083

0.041

5.348

Major group

528

2.518

4.258

0.684

24.880

Minor group

528

0.598

0.542

0.154

2.457

North Dakota

528

4.259

4.679

1.497

29.328