Question: In county A, the average score on the grade 5 Iowa Test of Basic Skills (ITBS) was 50. In neighboring county B, the average score

In county A, the average score on the grade 5 Iowa Test of Basic Skills (ITBS) was 50. In neighboring county B, the average score on the grade 5 ITBS was 71. Can you conclude that the average score on the grade 5 ITBS in the two county region (consisting of counties A and B) can be calculated by averaging 50 and 71? If so, explain why; if not, explain why not. What other information would you need to know to calculate the average grade 5 ITBS score in the two-county region? Show how to calculate this average if you had this information

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