Refer to Exercise 12.11 and data set EX1211 regarding the relationship between the Academic Performance Index (API), a measure of school achievement based on the results of the Stanford 9 Achievement test, and the percentage of students who are considered English Language Learners (ELL). The following table shows the API for eight elementary schools in Riverside County, California, along with the percentage of students at that school who are considered English Language Learners.

a. Use an appropriate program to analyze the relationship between API and ELL.

b. Explain all pertinent details of your analysis.

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School 3 8 4 API 657 659 710 30 14 58 22 669 641 557 26 11 588 743 39 ELL