Discussion:
Q: Using the data on the table below, are there any correlations between population changes for the areas listed.
The following is a list of acceptable tests:
regression line and equation; correlation
one-sample t-test
one-sample t confidence interval
matched-pairs t-test
two-sample t-test
two-sample t confidence interval
F-test for variances
ANOVA
one-sample z test for proportions
one-sample z confidence interval for proportions
two-sample z test for proportions
two-sample z confidence interval for proportions
chi-square
Please complete at least three significance tests and a confidence interval.
Decide which of the tests would best analyze your data. List those tests, state Ho and Ha, and describe exactly what you expect to learn from each test.
| Area |
Census Population |
Change, 1990 to 2000 |
| April 1, 2000 |
April 1, 1990 |
Number |
Percent |
| Abilene, TX MSA |
126,555 |
119,655 |
6,900 |
5.8% |
| Taylor County |
126,555 |
119,655 |
6,900 |
5.8% |
| Aguadilla, PR MSA |
146,424 |
128,172 |
18,252 |
14.2% |
| Aguada Municipio |
42,042 |
35,911 |
6,131 |
17.1% |
| Aguadilla Municipio |
64,685 |
59,335 |
5,350 |
9.0% |
| Moca Municipio |
39,697 |
32,926 |
6,771 |
20.6% |
| Albany, GA MSA |
120,822 |
112,561 |
8,261 |
7.3% |
| Dougherty County |
96,065 |
96,311 |
-246 |
-0.3% |
| Lee County |
24,757 |
16,250 |
8,507 |
52.4% |
| Albany--Schenectady--Troy, NY MSA |
875,583 |
861,424 |
14,159 |
1.6% |
| Albany County |
294,565 |
292,594 |
1,971 |
0.7% |
| Montgomery County |
49,708 |
51,981 |
-2,273 |
-4.4% |
| Rensselaer County |
152,538 |
154,429 |
-1,891 |
-1.2% |
| Saratoga County |
200,635 |
181,276 |
19,359 |
10.7% |
| Schenectady County |
146,555 |
149,285 |
-2,730 |
-1.8% |
| Schoharie County |
31,582 |
31,859 |
-277 |
-0.9% |
| Albuquerque, NM MSA |
712,738 |
589,131 |
123,607 |
21.0% |
| Bernalillo County |
556,678 |
480,577 |
76,101 |
15.8% |
| Sandoval County |
89,908 |
63,319 |
26,589 |
42.0% |
| Valencia County |
66,152 |
45,235 |
20,917 |
46.2% |
| Alexandria, LA MSA |
126,337 |
131,556 |
-5,219 |
-4.0% |
| Rapides Parish |
126,337 |
131,556 |
-5,219 |
-4.0% |
| Allentown--Bethlehem--Easton, PA MSA |
637,958 |
595,081 |
42,877 |
7.2% |
| Carbon County |
58,802 |
56,846 |
1,956 |
3.4% |
| Lehigh County |
312,090 |
291,130 |
20,960 |
7.2% |
| Northampton County |
267,066 |
247,105 |
19,961 |
8.1% |
| Altoona, PA MSA |
129,144 |
130,542 |
-1,398 |
-1.1% |
| Blair County |
129,144 |
130,542 |
-1,398 |
-1.1% |
| Amarillo, TX MSA |
217,858 |
187,547 |
30,311 |
16.2% |
| Potter County |
113,546 |
97,874 |
15,672 |
16.0% |
| Randall County |
104,312 |
89,673 |
14,639 |
16.3% |
| Anchorage, AK MSA |
260,283 |
226,338 |
33,945 |
15.0% |
| Anchorage Municipality |
260,283 |
226,338 |
33,945 |
15.0% |
| Anniston, AL MSA |
112,249 |
116,034 |
-3,785 |
-3.3% |
| Calhoun County |
112,249 |
116,034 |
-3,785 |
-3.3% |
| Appleton--Oshkosh--Neenah, WI MSA |
358,365 |
315,121 |
43,244 |
13.7% |
| Calumet County |
40,631 |
34,291 |
6,340 |
18.5% |
| Outagamie County |
160,971 |
140,510 |
20,461 |
14.6% |
| Winnebago County |
156,763 |
140,320 |
16,443 |
11.7% |
| Asheville, NC MSA |
225,965 |
191,774 |
34,191 |
17.8% |
| Buncombe County |
206,330 |
174,821 |
31,509 |
18.0% |
| Madison County |
19,635 |
16,953 |
2,682 |
15.8% |
| Athens, GA MSA |
153,444 |
126,262 |
27,182 |
21.5% |
| Clarke County |
101,489 |
87,594 |
13,895 |
15.9% |
| Madison County |
25,730 |
21,050 |
4,680 |
22.2% |
| Oconee County |
26,225 |
17,618 |
8,607 |
48.9% |
| Atlanta, GA MSA |
4,112,198 |
2,959,950 |
1,152,248 |
38.9% |
| Barrow County |
46,144 |
29,721 |
16,423 |
55.3% |
| Bartow County |
76,019 |
55,911 |
20,108 |
36.0% |
| Carroll County |
87,268 |
71,422 |
15,846 |
22.2% |
| Cherokee County |
141,903 |
90,204 |
51,699 |
57.3% |
| Clayton County |
236,517 |
182,052 |
54,465 |
29.9% |
| Cobb County |
607,751 |
447,745 |
160,006 |
35.7% |
| Coweta County |
89,215 |
53,853 |
35,362 |
65.7% |
| DeKalb County |
665,865 |
545,837 |
120,028 |
22.0% |
| Douglas County |
92,174 |
71,120 |
21,054 |
29.6% |
| Fayette County |
91,263 |
62,415 |
28,848 |
46.2% |
| Forsyth County |
98,407 |
44,083 |
54,324 |
123.2% |
| Fulton County |
816,006 |
648,951 |
167,055 |
25.7% |
| Gwinnett County |
588,448 |
352,910 |
235,538 |
66.7% |
| Henry County |
119,341 |
58,741 |
60,600 |
103.2% |
| Newton County |
62,001 |
41,808 |
20,193 |
48.3% |
| Paulding County |
81,678 |
41,611 |
40,067 |
96.3% |
| Pickens County |
22,983 |
14,432 |
8,551 |
59.3% |
| Rockdale County |
70,111 |
54,091 |
16,020 |
29.6% |
| Spalding County |
58,417 |
54,457 |
3,960 |
7.3% |
| Walton County |
60,687 |
38,586 |
22,101 |
57.3% |
| Auburn--Opelika, AL MSA |
115,092 |
87,146 |
27,946 |
32.1% |
| Lee County |
115,092 |
87,146 |
27,946 |
32.1% |
| Augusta--Aiken, GA--SC MSA |
477,441 |
415,184 |
62,257 |
15.0% |
| Columbia County, GA |
89,288 |
66,031 |
23,257 |
35.2% |
| McDuffie County, GA |
21,231 |
20,119 |
1,112 |
5.5% |
| Richmond County, GA |
199,775 |
189,719 |
10,056 |
5.3% |
| Aiken County, SC |
142,552 |
120,940 |
21,612 |
17.9% |
| Edgefield County, SC |
24,595 |
18,375 |
6,220 |
33.9% |
| Austin--San Marcos, TX MSA |
1,249,763 |
846,227 |
403,536 |
47.7% |
| Bastrop County |
57,733 |
38,263 |
19,470 |
50.9% |
| Caldwell County |
32,194 |
26,392 |
5,802 |
22.0% |
| Hays County |
97,589 |
65,614 |
31,975 |
48.7% |
| Travis County |
812,280 |
576,407 |
235,873 |
40.9% |
| Williamson County |
249,967 |
139,551 |
110,416 |
79.1% |
| Bakersfield, CA MSA |
661,645 |
543,477 |
118,168 |
21.7% |
| Kern County |
661,645 |
543,477 |
118,168 |
21.7% |