【多选题】【消耗次数：1】
时间数列的水平指标具体包括
①
发展水平
②
平均发展水平
③
发展速度
④
增长量
⑤
增长速度
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常用的表示发展水平的指标有增长量，平均增长量，发展水平，平均发展水平等。常用的速度指标有发展速度，增长速度，增长1%的绝对值，平均发展速度，平均增长速度等。对它们的统计分析属于（）。
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