The following appeared in an Avia Airlines departmental memorandum.
“On average, 9 out of every 1,000 passengers who traveled on Avia Airlines last year filed a complaint about our baggage-handling procedures. This means that although some 1 percent of our passengers were unhappy with those procedures, the overwhelming majority were quite satisfied with them; thus it would appear that a review of the procedures is not important to our goal of maintaining or increasing the number of Avia’s passengers.
First, the argument turns on the assumption that the 99 percent of Avia passengers who did not complain were happy with the airline’s baggage-handling procedures.
Secondly, in the absence of information about the number of passengers per flight and about the complaint records of competing airlines, the statistics presented in the memorandum might distort the seriousness of the problem
范文上的第二个错误是啥意思，我怎么没太看明白？？这道题除了第一个明显错误外，其他的错误都是怎么找的啊，请教NN，谢谢。
翻译：
第二，在不知道每个航班有多少人以及竞争者的抱怨记录的情况下， 备忘录中所指出的数据可能会扭曲问题的严重性。
就是说如果航班的机型足够大的话，现在的情况已经是每个航班都有抱怨这么严重了。不知道竞争者的数据会扭曲应该可以理解吧。
逻辑错误：
1去年是这样今年呢以后呢？
2很有可能是乘客对服务不满意却没时间正式申诉
3和别的航空公司比较如何
我还想了一个，不知道对不对。
“on average”：要是所有的complain都是由于system breakdown,有的航班出现很多问题，而有的时候根本没有问题，那样的话还是需要查一下的吧。
我还想了一个，不知道对不对。
“on average”：要是所有的complain都是由于system breakdown,有的航班出现很多问题，而有的时候根本没有问题，那样的话还是需要查一下的吧。
但是如果平均低，基数大，从风险管理的角度来说，完全可以撤销检查程序。所以论证的时候要小心哦
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