设一组数据的茎叶图如图4-3所示，此数据组的极差为（ ）。 

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30462' and id < 2461202 and id<>'2461202' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30462' and id > 2461202 and id<>'2461202' order by id asc limit 5