The following data show the rankings of 11 states based on expenditure per student (ranked 1 highest to 11 lowest) and student-teacher ratio (ranked 1 lowest to 11 highest).

a. What is the rank correlation between expenditure per student and student-teacher ratio.
Discuss.
b. At the α = .05 level, does there appear to be a relationship between expenditure per student and student-teacher ratio?

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State Arizona Colorado Florida Idaho Iowa Louisiana Massachusetts Nebraska North Dakota South Dakota Washington Expenditure per Student Student-Teacher Ratlo 10 10