Table: tourism in costa rica
Question: Of the countries in the table, which ones have revenue from internal tourism per arrival within one standard deviation of the mean?
Step 1 (Operation, Indexing): receipts per arrival 2010 (col 2) / (col 1) ( usd )
Step 2 (Reasoning, Other Commonsense Reasoning): within one standard deviation of the mean
Step 3 (Reasoning, Aggregating): STD, receipts per arrival 2010 (col 2) / (col 1) ( usd )
Step 4 (Operation, Grouping): receipts per arrival 2010 (col 2) / (col 1) ( usd )
Answer: brazil, costa rica, colombia, dominican republic, dominican republic, guatemala, jamaica, panama, peru