按周计算的移动平均值是多少？
申请失业补贴人数的四周移动平均值(相对稳定的失业率评判标准)，从上周的490,750人增加到506,500人，是1983年12月以来的最高值。
The four-week moving average of new jobless claims, a less volatile unemployment measure, rose to 506, 500 from 490, 750 the week before, the highest since 1983.
假日会给该数据的季节性因素调整加大了难度。许多经济学家转而关注四周移动平均值数据，它抹去了每周的波动因素。
Holidays make it tricky to seasonally adjust claims. Many economists instead focus on the four-week moving average, which irons out weekly fluctuations.
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