For the census data inthis previous data set:

The data below are the number of U.S. citizens (in thousands) identifying solely as Native Americans in the 2010 census for the 22 states west of the Mississippi River.

363

322

297

193

171

104

72

63

61

56

53

37

33

32

31

28

27

22

21

18

13

11

a. Find the percentile rank for the state where 193,000 citizens identified as Native American.

b. Find the percentile rank for the state where 33,000 citizens identified as Native American

c. What was the Native American population of the state at the 75th percentile?