[{"data":1,"prerenderedAt":49},["ShallowReactive",2],{"q-sw-107-2-research-methods-034":3},{"subject":4,"subjectSlug":5,"subjectFullName":4,"question":6,"related":24},"社會工作研究方法","research-methods",{"id":7,"webId":8,"year":9,"session":10,"subject":4,"legacy":11,"number":12,"stem":13,"options":14,"answer":19,"answerNote":20,"images":21,"lawTimestamp":9,"explanation":22,"freq":23},"sw-107-2-社會工作研究方法-034","sw-107-2-research-methods-034",107,2,false,34,"下列那項不是算術平均數（arithmetic mean）的特徵？",{"A":15,"B":16,"C":17,"D":18},"受極端數值影響","處理資料離散狀況的指標","資料內各個觀察值與算術平均數差距的平方總和會是最小值","資料內各個觀察值與算術平均數差距的總和恆等於零","B",null,[],"本題考點是算術平均數的統計特徵辨識。算術平均數是集中趨勢量數,用來代表資料的中心位置,並非用來處理資料離散狀況的指標——描述離散要用全距、變異數或標準差,故 B 的說法不是平均數的特徵,選 B。A 正確,平均數會受極端值(離群值)拉動而偏移;C 正確,各觀察值與平均數差距的平方總和為最小,此即最小平方特性;D 正確,各觀察值與平均數差距(離均差)的總和恆等於零,三者皆為算術平均數的真正特徵。",1,[25,29,33,37,41,45],{"webId":26,"stem":27,"number":28,"year":9,"session":10},"sw-107-2-research-methods-033","下列那項不是決定樣本規模的原則？",33,{"webId":30,"stem":31,"number":32,"year":9,"session":10},"sw-107-2-research-methods-035","下列那項不是標準分數（z score）的特徵？",35,{"webId":34,"stem":35,"number":36,"year":9,"session":10},"sw-107-2-research-methods-032","在某份問卷中，如果有「您認為，應該為病人或老人設立更多的短期照顧中心與日間照顧中心嗎？」這種題項，它可能犯了下列那類錯誤？",32,{"webId":38,"stem":39,"number":40,"year":9,"session":10},"sw-107-2-research-methods-036","在研究中，「將原本模糊，不精確的想法，使其明確、精確的心智過程」，是下列那個選項的說明？",36,{"webId":42,"stem":43,"number":44,"year":9,"session":10},"sw-107-2-research-methods-031","下列有關訪談法的說明，何者錯誤？",31,{"webId":46,"stem":47,"number":48,"year":9,"session":10},"sw-107-2-research-methods-037","下述關於歸納法與演繹法的敘述，何者較為適當？",37,1787299244742]