Puget Sound Salish vs Immigrants from Costa Rica 4th Grade

The statistical analysis conducted on geographies consisting of 46,155,746 people shows no correlation between the proportion of Puget Sound Salish and percentage of population with at least 4th grade education in the United States with a correlation coefficient (R) of 0.023 and weighted average of 97.9%. Similarly, the statistical analysis conducted on geographies consisting of 204,275,869 people shows a moderate positive correlation between the proportion of Immigrants from Costa Rica and percentage of population with at least 4th grade education in the United States with a correlation coefficient (R) of 0.451 and weighted average of 97.2%, a difference of 0.72%.

4th Grade Correlation Summary

Measurement	Puget Sound Salish	Immigrants from Costa Rica
Minimum	96.8%	93.9%
Maximum	100.0%	100.0%
Range	3.2%	6.1%
Mean	99.0%	98.2%
Median	99.2%	98.4%
Interquartile 25% (IQ1)	98.3%	97.1%
Interquartile 75% (IQ3)	100.0%	99.7%
Interquartile Range (IQR)	1.6%	2.6%
Standard Deviation (Sample)	0.95%	1.5%
Standard Deviation (Population)	0.94%	1.5%

Similar Demographics by 4th Grade

Demographics Similar to Puget Sound Salish by 4th Grade

In terms of 4th grade, the demographic groups most similar to Puget Sound Salish are Choctaw (97.9%, a difference of 0.010%), Nonimmigrants (97.9%, a difference of 0.010%), German Russian (97.9%, a difference of 0.010%), Immigrants from Czechoslovakia (97.9%, a difference of 0.010%), and Bhutanese (97.9%, a difference of 0.010%).

Demographics	Rating \| Rank	4th Grade
Romanians	98.4 /100 \| #96	Exceptional 97.9%
Cheyenne	98.4 /100 \| #97	Exceptional 97.9%
South Africans	98.2 /100 \| #98	Exceptional 97.9%
Turks	98.2 /100 \| #99	Exceptional 97.9%
Yugoslavians	98.1 /100 \| #100	Exceptional 97.9%
Cree	98.1 /100 \| #101	Exceptional 97.9%
Choctaw	97.9 /100 \| #102	Exceptional 97.9%
Puget Sound Salish	97.7 /100 \| #103	Exceptional 97.9%
Immigrants \| Nonimmigrants	97.5 /100 \| #104	Exceptional 97.9%
German Russians	97.5 /100 \| #105	Exceptional 97.9%
Immigrants \| Czechoslovakia	97.5 /100 \| #106	Exceptional 97.9%
Bhutanese	97.4 /100 \| #107	Exceptional 97.9%
Immigrants \| Singapore	97.3 /100 \| #108	Exceptional 97.9%
Immigrants \| Latvia	96.8 /100 \| #109	Exceptional 97.8%
Thais	96.7 /100 \| #110	Exceptional 97.8%

Demographics Similar to Immigrants from Costa Rica by 4th Grade

In terms of 4th grade, the demographic groups most similar to Immigrants from Costa Rica are Indian (Asian) (97.2%, a difference of 0.0%), Nigerian (97.1%, a difference of 0.010%), Colombian (97.1%, a difference of 0.020%), Immigrants from Eastern Asia (97.2%, a difference of 0.030%), and Immigrants from Indonesia (97.1%, a difference of 0.030%).

Demographics	Rating \| Rank	4th Grade
Uruguayans	3.5 /100 \| #230	Tragic 97.2%
Immigrants \| Malaysia	3.4 /100 \| #231	Tragic 97.2%
Immigrants \| Western Asia	3.4 /100 \| #232	Tragic 97.2%
Senegalese	3.1 /100 \| #233	Tragic 97.2%
Assyrians/Chaldeans/Syriacs	3.0 /100 \| #234	Tragic 97.2%
Yuman	2.9 /100 \| #235	Tragic 97.2%
Immigrants \| Eastern Asia	2.7 /100 \| #236	Tragic 97.2%
Immigrants \| Costa Rica	2.0 /100 \| #237	Tragic 97.2%
Indians (Asian)	1.9 /100 \| #238	Tragic 97.2%
Nigerians	1.8 /100 \| #239	Tragic 97.1%
Colombians	1.6 /100 \| #240	Tragic 97.1%
Immigrants \| Indonesia	1.5 /100 \| #241	Tragic 97.1%
Asians	1.4 /100 \| #242	Tragic 97.1%
U.S. Virgin Islanders	1.4 /100 \| #243	Tragic 97.1%
Koreans	1.3 /100 \| #244	Tragic 97.1%