Partial Correlation Data
1. Storks and babies?
Country |
Number of pairs of storks |
Human Birthrate (1000 per year) |
Country Area (km^2) |
Albania |
100 |
83 |
28750 |
Austria |
300 |
87 |
83860 |
Belgium |
1 |
118 |
30520 |
Bulgaria |
5000 |
117 |
111000 |
Denmark |
9 |
59 |
43100 |
France |
140 |
774 |
544000 |
Germany |
3300 |
901 |
357000 |
Greece |
2500 |
106 |
132000 |
Holland |
4 |
188 |
41900 |
Hungary |
5000 |
124 |
93000 |
Italy |
5 |
551 |
301280 |
Poland |
30000 |
610 |
312680 |
Portugal |
1500 |
120 |
92390 |
Romania |
5000 |
367 |
237500 |
Spain |
8000 |
439 |
504750 |
Switzerland |
150 |
82 |
41290 |
Turkey |
25000 |
1576 |
779450 |
Taken from: "Storks Deliver Babies (p = 0.008)." By: Matthews, Robert. Teaching Statistics, Summer2000, Vol. 22 Issue 2, p36, 3p.
2. Religion leads to murders (1992 data)?
City |
Number of Churches and Synagogues |
Number of Murders |
Population |
New York |
3505 |
1984 |
7322564 |
Los Angeles |
2023 |
1056 |
3485557 |
Chicago |
2863 |
921 |
2783726 |
Houston |
2011 |
447 |
1629902 |
Philadelphia |
1709 |
420 |
1585577 |
San Diego |
582 |
141 |
111623 |
Detroit |
1475 |
586 |
1027974 |
Dallas |
1313 |
373 |
1007618 |
Phoenix |
663 |
134 |
983403 |
San Antonio |
937 |
211 |
935393 |
San Jose |
355 |
42 |
782224 |
Indianapolis |
1010 |
132 |
741952 |
Baltimore |
1098 |
326 |
736014 |
San Francisco |
615 |
113 |
723959 |
Jacksonville |
875 |
125 |
672971 |
3. Is Poverty Related to SAT Mathematics Performance?
States |
SAT-Math Scores |
Percentage of State Residents Under the Poverty Level |
Percentage of Students who take SAT |
NM |
551 |
24 |
12 |
DC |
476 |
22.5 |
83 |
Louisiana |
558 |
22 |
8 |
Mississippi |
549 |
21.3 |
4 |
WV |
513 |
17.9 |
18 |
Texas |
501 |
17.7 |
51 |
Arizona |
528 |
17.5 |
32 |
California |
516 |
17.2 |
47 |
Alabama |
558 |
16.8 |
8 |
Oklahoma |
564 |
16.8 |
8 |
Kentucky |
550 |
16.7 |
13 |
NY |
503 |
16.7 |
76 |
Arkansas |
555 |
15.8 |
6 |
SC |
473 |
15.6 |
61 |
Tennessee |
557 |
15.3 |
13 |
Florida |
501 |
15.1 |
52 |
Montana |
546 |
14.6 |
24 |
Georgia |
482 |
13.6 |
64 |
SD |
581 |
13.6 |
5 |
NC |
492 |
13 |
62 |
Idaho |
544 |
12.8 |
16 |
Ohio |
540 |
12.8 |
24 |
Michigan |
569 |
12.5 |
11 |
Illinois |
581 |
12.3 |
13 |
Kansas |
585 |
12.3 |
9 |
Pennsylvania |
495 |
12.1 |
71 |
Washington |
526 |
12 |
53 |
Oregon |
528 |
11.6 |
53 |
Missouri |
573 |
11.5 |
8 |
ND |
599 |
11.1 |
5 |
Virginia |
499 |
11.1 |
66 |
Wyoming |
546 |
11.1 |
10 |
Iowa |
601 |
10.8 |
5 |
Connecticut |
509 |
10.7 |
80 |
Maine |
501 |
10.6 |
68 |
RI |
495 |
10.6 |
72 |
Hawaii |
513 |
10.4 |
55 |
Maryland |
508 |
10.4 |
65 |
Indiana |
500 |
10.3 |
59 |
Massachusetts |
508 |
10.3 |
77 |
Minnesota |
598 |
10.2 |
9 |
Vermont |
504 |
10.2 |
71 |
Nevada |
513 |
10.1 |
33 |
Colorado |
542 |
9.5 |
31 |
Nebraska |
571 |
9.5 |
8 |
Delaware |
493 |
9.1 |
70 |
Wisconsin |
594 |
8.8 |
7 |
NJ |
508 |
8.7 |
79 |
Alaska |
520 |
8.5 |
52 |
Utah |
570 |
8 |
4 |
NH |
520 |
6.5 |
74 |
4. What relationship should exist between educational level and violent crime rate? What does DC do to this relationship?
violent crime rate |
Percentage with college degrees |
Percentage who live in metropolitan areas |
|
Alabama |
486 |
20.4 |
70.2 |
Alaska |
567 |
28.1 |
41.6 |
Arizona |
532 |
24.6 |
87.9 |
Arkansas |
445 |
18.4 |
49 |
California |
622 |
27.5 |
96.7 |
Colorado |
334 |
34.6 |
84 |
Connecticut |
325 |
31.6 |
95.6 |
Delaware |
684 |
24 |
81.4 |
D.C. |
1508 |
38.3 |
100 |
Florida |
812 |
22.8 |
93 |
Georgia |
505 |
23.1 |
69.1 |
Hawaii |
244 |
26.3 |
72.9 |
Idaho |
253 |
20 |
38.6 |
Illinois |
657 |
27.1 |
84.5 |
Indiana |
349 |
17.1 |
71.8 |
Iowa |
266 |
25.5 |
44.9 |
Kansas |
389 |
27.3 |
56.8 |
Kentucky |
295 |
20.5 |
48.4 |
Lousiana |
681 |
22.5 |
75.2 |
Maine |
110 |
24.1 |
36.3 |
Maryland |
787 |
32.3 |
92.7 |
Massachusetts |
476 |
32.7 |
92.1 |
Michigan |
555 |
23 |
82.5 |
Minnesota |
281 |
31.2 |
70.3 |
Mississippi |
361 |
18.7 |
36.2 |
Missouri |
490 |
26.2 |
68 |
Montana |
241 |
23.8 |
33.4 |
Nebraska |
328 |
24.6 |
52.2 |
Nevada |
524 |
19.3 |
86.6 |
New Hampshire |
175 |
30.1 |
60.3 |
New Jersey |
384 |
30.1 |
100 |
New Mexico |
758 |
23.6 |
57 |
New York |
554 |
28.7 |
91.9 |
North Carolina |
498 |
23.2 |
67.2 |
North Dakota |
81 |
22.6 |
43.4 |
Ohio |
334 |
24.6 |
80.9 |
Oklahoma |
496 |
22.5 |
60.6 |
Oregon |
351 |
27.2 |
72.8 |
Pennsylvania |
420 |
24.3 |
84.5 |
Rhode Island |
298 |
26.4 |
93.8 |
South Carolina |
805 |
19 |
70.2 |
South Dakota |
167 |
25.7 |
34.5 |
Tennessee |
707 |
22 |
67.9 |
Texas |
545 |
23.9 |
84.6 |
Utah |
256 |
26.4 |
76.4 |
Vermont |
114 |
28.8 |
27.9 |
Virginia |
282 |
31.9 |
78.2 |
Washington |
370 |
28.6 |
83 |
West Virginia |
317 |
15.3 |
41.9 |
Wisconsin |
237 |
23.8 |
67.8 |
Wyoming |
267 |
20.6 |
29.6 |
5. Do gun regulations in a state increase
homicides?
(Compare box plots of homicides by gun regulation vs. log homicides by gun
regulation)
States |
Gun Regulation (1=yes, 0=no) |
Number of Homicides |
Number of Homicides (log 10 scale) |
Population (in 1,000s) |
AL |
1 |
410 |
2.61 |
4089 |
AR |
1 |
240 |
2.38 |
2372 |
CA |
1 |
3710 |
3.57 |
30380 |
CT |
1 |
170 |
2.23 |
3291 |
DC |
1 |
489 |
2.69 |
598 |
FL |
1 |
1300 |
3.11 |
13277 |
HI |
1 |
44 |
1.64 |
1135 |
IA |
1 |
62 |
1.79 |
2795 |
IL |
1 |
1270 |
3.10 |
11543 |
MA |
1 |
200 |
2.30 |
5996 |
MD |
1 |
540 |
2.73 |
4860 |
MI |
1 |
1020 |
3.01 |
9368 |
MN |
1 |
100 |
2.00 |
4432 |
MO |
1 |
550 |
2.74 |
5158 |
NC |
1 |
730 |
2.86 |
6737 |
ND |
1 |
11 |
1.04 |
635 |
NJ |
1 |
350 |
2.54 |
7760 |
NY |
1 |
2550 |
3.41 |
18058 |
OH |
1 |
760 |
2.88 |
10939 |
PA |
1 |
740 |
2.87 |
11961 |
RI |
1 |
38 |
1.58 |
1004 |
SC |
1 |
350 |
2.54 |
3560 |
TN |
1 |
470 |
2.67 |
4953 |
TX |
1 |
2660 |
3.42 |
17349 |
UT |
1 |
43 |
1.63 |
1770 |
WA |
1 |
220 |
2.34 |
5018 |
AK |
0 |
56 |
1.75 |
570 |
AZ |
0 |
290 |
2.46 |
3750 |
CO |
0 |
155 |
2.19 |
3377 |
DE |
0 |
32 |
1.51 |
680 |
GA |
0 |
720 |
2.86 |
6623 |
ID |
0 |
21 |
1.32 |
1039 |
IN |
0 |
380 |
2.58 |
5610 |
KS |
0 |
150 |
2.18 |
2495 |
KY |
0 |
260 |
2.41 |
3713 |
LA |
0 |
760 |
2.88 |
4252 |
ME |
0 |
23 |
1.36 |
1235 |
MS |
0 |
370 |
2.57 |
2592 |
MT |
0 |
29 |
1.46 |
808 |
NE |
0 |
43 |
1.63 |
1593 |
NH |
0 |
32 |
1.51 |
1105 |
NM |
0 |
160 |
2.20 |
1548 |
NV |
0 |
135 |
2.13 |
1284 |
OK |
0 |
220 |
2.34 |
3175 |
OR |
0 |
120 |
2.08 |
2922 |
SD |
0 |
9 |
.95 |
703 |
VA |
0 |
550 |
2.74 |
6286 |
VT |
0 |
24 |
1.38 |
567 |
WI |
0 |
240 |
2.38 |
4955 |
WV |
0 |
135 |
2.13 |
1801 |
WY |
0 |
20 |
1.30 |
460 |
Gun regulation = mandatory licensing and registration of handguns.
6. Does teacher salary or per pupil expenditure relate to student performance on SAT mathematics?
State |
Expenditure Per Pupil (in thousands of dollars) |
Average pupil/teacher ratio |
Average Annual Teacher Salary |
Percentage of eligible students taking SAT |
Average SAT Verbal |
Average SAT math |
Average Total SAT |
Alabama |
4.405 |
17.2 |
31.144 |
8 |
491 |
538 |
1029 |
Alaska |
8.963 |
17.6 |
47.951 |
47 |
445 |
489 |
934 |
Arizona |
4.778 |
19.3 |
32.175 |
27 |
448 |
496 |
944 |
Arkansas |
4.459 |
17.1 |
28.934 |
6 |
482 |
523 |
1005 |
California |
4.992 |
24 |
41.078 |
45 |
417 |
485 |
902 |
Colorado |
5.443 |
18.4 |
34.571 |
29 |
462 |
518 |
980 |
Connecticut |
8.817 |
14.4 |
50.045 |
81 |
431 |
477 |
908 |
Delaware |
7.03 |
16.6 |
39.076 |
68 |
429 |
468 |
897 |
Florida |
5.718 |
19.1 |
32.588 |
48 |
420 |
469 |
889 |
Georgia |
5.193 |
16.3 |
32.291 |
65 |
406 |
448 |
854 |
Hawaii |
6.078 |
17.9 |
38.518 |
57 |
407 |
482 |
889 |
Idaho |
4.21 |
19.1 |
29.783 |
15 |
468 |
511 |
979 |
Illinois |
6.136 |
17.3 |
39.431 |
13 |
488 |
560 |
1048 |
Indiana |
5.826 |
17.5 |
36.785 |
58 |
415 |
467 |
882 |
Iowa |
5.483 |
15.8 |
31.511 |
5 |
516 |
583 |
1099 |
Kansas |
5.817 |
15.1 |
34.652 |
9 |
503 |
557 |
1060 |
Kentucky |
5.217 |
17 |
32.257 |
11 |
477 |
522 |
999 |
Louisiana |
4.761 |
16.8 |
26.461 |
9 |
486 |
535 |
1021 |
Maine |
6.428 |
13.8 |
31.972 |
68 |
427 |
469 |
896 |
Maryland |
7.245 |
17 |
40.661 |
64 |
430 |
479 |
909 |
Massachusetts |
7.287 |
14.8 |
40.795 |
80 |
430 |
477 |
907 |
Michigan |
6.994 |
20.1 |
41.895 |
11 |
484 |
549 |
1033 |
Minnesota |
6 |
17.5 |
35.948 |
9 |
506 |
579 |
1085 |
Mississippi |
4.08 |
17.5 |
26.818 |
4 |
496 |
540 |
1036 |
Missouri |
5.383 |
15.5 |
31.189 |
9 |
495 |
550 |
1045 |
Montana |
5.692 |
16.3 |
28.785 |
21 |
473 |
536 |
1009 |
Nebraska |
5.935 |
14.5 |
30.922 |
9 |
494 |
556 |
1050 |
Nevada |
5.16 |
18.7 |
34.836 |
30 |
434 |
483 |
917 |
New Hampshire |
5.859 |
15.6 |
34.72 |
70 |
444 |
491 |
935 |
New Jersey |
9.774 |
13.8 |
46.087 |
70 |
420 |
478 |
898 |
New Mexico |
4.586 |
17.2 |
28.493 |
11 |
485 |
530 |
1015 |
New York |
9.623 |
15.2 |
47.612 |
74 |
419 |
473 |
892 |
North Carolina |
5.077 |
16.2 |
30.793 |
60 |
411 |
454 |
865 |
North Dakota |
4.775 |
15.3 |
26.327 |
5 |
515 |
592 |
1107 |
Ohio |
6.162 |
16.6 |
36.802 |
23 |
460 |
515 |
975 |
Oklahoma |
4.845 |
15.5 |
28.172 |
9 |
491 |
536 |
1027 |
Oregon |
6.436 |
19.9 |
38.555 |
51 |
448 |
499 |
947 |
Pennsylvania |
7.109 |
17.1 |
44.51 |
70 |
419 |
461 |
880 |
Rhode Island |
7.469 |
14.7 |
40.729 |
70 |
425 |
463 |
888 |
South Carolina |
4.797 |
16.4 |
30.279 |
58 |
401 |
443 |
844 |
South Dakota |
4.775 |
14.4 |
25.994 |
5 |
505 |
563 |
1068 |
Tennessee |
4.388 |
18.6 |
32.477 |
12 |
497 |
543 |
1040 |
Texas |
5.222 |
15.7 |
31.223 |
47 |
419 |
474 |
893 |
Utah |
3.656 |
24.3 |
29.082 |
4 |
513 |
563 |
1076 |
Vermont |
6.75 |
13.8 |
35.406 |
68 |
429 |
472 |
901 |
Virginia |
5.327 |
14.6 |
33.987 |
65 |
428 |
468 |
896 |
Washington |
5.906 |
20.2 |
36.151 |
48 |
443 |
494 |
937 |
West Virginia |
6.107 |
14.8 |
31.944 |
17 |
448 |
484 |
932 |
Wisconsin |
6.93 |
15.9 |
37.746 |
9 |
501 |
572 |
1073 |
Wyoming |
6.16 |
14.9 |
31.285 |
10 |
476 |
525 |
1001 |
Source: http://www.amstat.org/publications/jse/datasets/sat.dat