State	Region	Income
Alabama	South	27.498
Alaska	West	48.254
Arizona	West	32.093
Arkansas	South	24.643
California	West	41.716
Colorado	West	35.123
Connecticut	N. East	48.618
Delaware	South	40.641
Florida	South	32.027
Georgia	South	33.819
Hawaii	West	45.248
Idaho	West	29.433
Illinois	Midwest	37.854
Indiana	Midwest	33.558
Iowa	Midwest	30.565
Kansas	Midwest	31.803
Kentucky	South	26.259
Louisiana	South	25.578
Maine	N. East	32.459
Maryland	South	45.897
Massachusetts	N. East	43.061
Michigan	Midwest	36.148
Minnesota	Midwest	36.019
Mississippi	South	23.465
Missouri	Midwest	30.72
Montana	West	26.788
Nebraska	Midwest	30.317
Nevada	West	36.138
New Hampshire	N. East	42.335
New Jersey	N. East	47.693
New Mexico	West	28.069
New York	N. East	38.415
North Carolina	South	31.052
North Dakota	Midwest	27.051
Ohio	Midwest	33.452
Oklahoma	South	27.475
Oregon	West	31.755
Pennsylvania	N. East	33.875
Rhode Island	N. East	37.501
South Carolina	South	30.597
South Dakota	Midwest	26.223
Tennessee	South	28.908
Texas	South	31.482
Utah	West	34.342
Vermont	N. East	34.717
Virginia	South	38.838
Washington	West	36.338
West Virginia	South	24.233
Wisconsin	Midwest	34.309
Wyoming	West	31.576

A-Test if the mean income is significantly different between Midwest, N.East, and South regions (Alpha is 0.05). Select the correct answer from the drop-down menu. There are [ Select ] ["three", "two", "five", "four"] [ Select ] ["independent", "paired"] samples to test if the mean income is significantly different between Midwest, N.East, and South regions.

B-Test if the mean income is significantly different between Midwest, N.East, and South regions (Alpha is 0.05).

Formulate the null and the alternative hypotheses.

Select the correct answer from the drop-down menu.

H0: [ Select ] ["1 2 3", "At least one of the means is different", "1> 2 > 3", "1 = 2 = 3", "1 < 2 < 3"]

H1: [ Select ] ["At least one of the means is different", "1 2 3", "1 = 2 = 3"]

Where

1: Mean income of Midwest

2: Mean income of North East

3: Mean income of South

C-