Instead of simply speaking Navajo, what did the Code Talkers create? a. They developed a code that used an ancient Indian language. b. They developed a completely new version of the Navajo language. c. They taught several hundred military troops and personnel to speak Navajo. d. They developed a code that included elements of the Navajo language.

Griffin correctly concludes that the coordinate pair for the russian federation is an influential point, because removing the russian federation from the relationship will significantly change the trend of the regression line. is an influential point, because removing the russian federation from the relationship will not significantly affect the estimated coefficient of determination of the regression line. is not an influential point, because the russian federation does not have the highest cvdir of all 1111 nations in the scatterplot. is an influential point, because removing the russian federation from the relationship will not significantly affect the estimated slope of the regression line. is not an influential point, because the russian federation has a positive residual in the least-squares linear regression.