一個index 就話係time series data, 佢而家有3 個country 既time series data, 應該係panel data. 點解個答案係time series data?
CFA Level 1 data 的問題
愛是怪東西
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一個index 就話係time series data, 佢而家有3 個country 既time series data, 應該係panel data. 點解個答案係time series data?
頂原來錯漏題目